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2102011201101 = 371926320031173
BaseRepresentation
bin11110100101101001101…
…000011000011001001101
321102221122202220210110110
4132211221220120121031
5233414404331413401
64245352311030233
7304602540256440
oct36455150303115
97387582823413
102102011201101
11740504584059
1229b47336b379
131232ac940626
1473a48a83657
1539a28a8d9d6
hex1e969a1864d

2102011201101 has 32 divisors (see below), whose sum is σ = 3384467159040. Its totient is φ = 1133604085824.

The previous prime is 2102011201097. The next prime is 2102011201111. The reversal of 2102011201101 is 1011021102012.

It is not a de Polignac number, because 2102011201101 - 22 = 2102011201097 is a prime.

It is a super-2 number, since 2×21020112011012 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102011201111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9910650 + ... + 10120523.

It is an arithmetic number, because the mean of its divisors is an integer number (105764598720).

Almost surely, 22102011201101 is an apocalyptic number.

2102011201101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2102011201101 is a deficient number, since it is larger than the sum of its proper divisors (1282455957939).

2102011201101 is a wasteful number, since it uses less digits than its factorization.

2102011201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20031465.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2102011201101 its reverse (1011021102012), we get a palindrome (3113032303113).

The spelling of 2102011201101 in words is "two trillion, one hundred two billion, eleven million, two hundred one thousand, one hundred one".

Divisors: 1 3 7 19 21 57 133 263 399 789 1841 4997 5523 14991 34979 104937 20031173 60093519 140218211 380592287 420654633 1141776861 2664146009 5268198499 7992438027 15804595497 36877389493 100095771481 110632168479 300287314443 700670400367 2102011201101