11112106920 has 64 divisors (see below), whose sum is σ = 33437154240. Its totient is φ = 2954265600.

The previous prime is 11112106897. The next prime is 11112106949. The reversal of 11112106920 is 2960121111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 100161 + ... + 179600.

It is an arithmetic number, because the mean of its divisors is an integer number (522455535).

Almost surely, 2^11112106920 is an apocalyptic number.

11112106920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112106920 is an abundant number, since it is smaller than the sum of its proper divisors (22325047320).

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

11112106920 is a wasteful number, since it uses less digits than its factorization.

11112106920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280106 (or 280102 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 24.

The spelling of 11112106920 in words is "eleven billion, one hundred twelve million, one hundred six thousand, nine hundred twenty".