111152072100 has 72 divisors (see below), whose sum is σ = 324055071648. Its totient is φ = 29414278400.

The previous prime is 111152072099. The next prime is 111152072107. The reversal of 111152072100 is 1270251111.

It is not an unprimeable number, because it can be changed into a prime (111152072107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1374849 + ... + 1453448.

It is an arithmetic number, because the mean of its divisors is an integer number (4500764884).

Almost surely, 2^111152072100 is an apocalyptic number.

111152072100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111152072100 is an abundant number, since it is smaller than the sum of its proper divisors (212902999548).

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

111152072100 is a wasteful number, since it uses less digits than its factorization.

111152072100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828445 (or 2828438 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 21.

The spelling of 111152072100 in words is "one hundred eleven billion, one hundred fifty-two million, seventy-two thousand, one hundred".