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2102202112120 = 2351110007477439
BaseRepresentation
bin11110100101110101000…
…000101001100001111000
321102222011002011002010221
4132211311000221201320
5233420302220041440
64245423250545424
7304610346060355
oct36456500514170
97388132132127
102102202112120
117405a2319360
1229b507298274
13123310364926
1473a6617b62c
1539a3a6eed4a
hex1e975029878

2102202112120 has 64 divisors (see below), whose sum is σ = 5160477081600. Its totient is φ = 764359140480.

The previous prime is 2102202112093. The next prime is 2102202112147. The reversal of 2102202112120 is 212112022012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2102202112093) and next prime (2102202112147).

It is a junction number, because it is equal to n+sod(n) for n = 2102202112094 and 2102202112103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4164361 + ... + 4641799.

It is an arithmetic number, because the mean of its divisors is an integer number (80632454400).

Almost surely, 22102202112120 is an apocalyptic number.

2102202112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102202112120 is an abundant number, since it is smaller than the sum of its proper divisors (3058274969480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102202112120 is a wasteful number, since it uses less digits than its factorization.

2102202112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487468 (or 487464 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2102202112120 its reverse (212112022012), we get a palindrome (2314314134132).

The spelling of 2102202112120 in words is "two trillion, one hundred two billion, two hundred two million, one hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 10007 20014 40028 50035 80056 100070 110077 200140 220154 400280 440308 477439 550385 880616 954878 1100770 1909756 2201540 2387195 3819512 4403080 4774390 5251829 9548780 10503658 19097560 21007316 26259145 42014632 52518290 105036580 210073160 4777732073 9555464146 19110928292 23888660365 38221856584 47777320730 52555052803 95554641460 105110105606 191109282920 210220211212 262775264015 420440422424 525550528030 1051101056060 2102202112120