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2111112110112 = 25383264948809
BaseRepresentation
bin11110101110001000000…
…101100110000000100000
321110211011000212212121120
4132232020011212000200
5234042024200010422
64253455335052240
7305344216600035
oct36561005460040
97424130785546
102111112110112
11744354827765
122a1193211080
131241002920a5
147426d64538c
1539daca4e45c
hex1eb88166020

2111112110112 has 48 divisors (see below), whose sum is σ = 5608436410080. Its totient is φ = 695225672192.

The previous prime is 2111112110099. The next prime is 2111112110123. The reversal of 2111112110112 is 2110112111112.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 2111112110091 and 2111112110100.

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, 132466437 + ... + 132482372.

It is an arithmetic number, because the mean of its divisors is an integer number (116842425210).

Almost surely, 22111112110112 is an apocalyptic number.

It is an amenable number.

2111112110112 is an abundant number, since it is smaller than the sum of its proper divisors (3497324299968).

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

2111112110112 is a wasteful number, since it uses less digits than its factorization.

2111112110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264948905 (or 264948897 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 2111112110112 its reverse (2110112111112), we get a palindrome (4221224221224).

The spelling of 2111112110112 in words is "two trillion, one hundred eleven billion, one hundred twelve million, one hundred ten thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 83 96 166 249 332 498 664 996 1328 1992 2656 3984 7968 264948809 529897618 794846427 1059795236 1589692854 2119590472 3179385708 4239180944 6358771416 8478361888 12717542832 21990751147 25435085664 43981502294 65972253441 87963004588 131944506882 175926009176 263889013764 351852018352 527778027528 703704036704 1055556055056 2111112110112