10111010112 has 112 divisors (see below), whose sum is σ = 33970894720. Its totient is φ = 2888856576.

The previous prime is 10111010099. The next prime is 10111010137. The reversal of 10111010112 is 21101011101.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10111010094 and 10111010103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405853 + ... + 430044.

It is an arithmetic number, because the mean of its divisors is an integer number (303311560).

Almost surely, 2^10111010112 is an apocalyptic number.

10111010112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10111010112 is an abundant number, since it is smaller than the sum of its proper divisors (23859884608).

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

10111010112 is an equidigital number, since it uses as much as digits as its factorization.

10111010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835925 (or 835909 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 10111010112 its reverse (21101011101), we get a palindrome (31212021213).

The spelling of 10111010112 in words is "ten billion, one hundred eleven million, ten thousand, one hundred twelve".