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2102011221112 = 231189268387541
BaseRepresentation
bin11110100101101001101…
…000011101010001111000
321102221122202221210220121
4132211221220131101320
5233414404333033422
64245352311303024
7304602540401665
oct36455150352170
97387582853817
102102011221112
117405045980a0
1229b47337aa74
131232ac94977a
1473a48a8aa6c
1539a28a948c7
hex1e969a1d478

2102011221112 has 32 divisors (see below), whose sum is σ = 4347878180400. Its totient is φ = 944724140800.

The previous prime is 2102011221043. The next prime is 2102011221131. The reversal of 2102011221112 is 2111221102012.

It is a super-2 number, since 2×21020112211122 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134185939 + ... + 134201602.

Almost surely, 22102011221112 is an apocalyptic number.

2102011221112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2102011221112 is an abundant number, since it is smaller than the sum of its proper divisors (2245866959288).

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

2102011221112 is a wasteful number, since it uses less digits than its factorization.

2102011221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268387647 (or 268387643 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2102011221112 its reverse (2111221102012), we get a palindrome (4213232323124).

The spelling of 2102011221112 in words is "two trillion, one hundred two billion, eleven million, two hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 89 178 356 712 979 1958 3916 7832 268387541 536775082 1073550164 2147100328 2952262951 5904525902 11809051804 23618103608 23886491149 47772982298 95545964596 191091929192 262751402639 525502805278 1051005610556 2102011221112