100112012111100 has 72 divisors (see below), whose sum is σ = 315989914601088. Its totient is φ = 24269578692800.

The previous prime is 100112012111099. The next prime is 100112012111107. The reversal of 100112012111100 is 1111210211001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112012111107) 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, 15168483384 + ... + 15168489983.

It is an arithmetic number, because the mean of its divisors is an integer number (4388748813904).

Almost surely, 2^{100112012111100} is an apocalyptic number.

100112012111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100112012111100 is an abundant number, since it is smaller than the sum of its proper divisors (215877902489988).

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

100112012111100 is a wasteful number, since it uses less digits than its factorization.

100112012111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30336973395 (or 30336973388 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 100112012111100 its reverse (1111210211001), we get a palindrome (101223222322101).

The spelling of 100112012111100 in words is "one hundred trillion, one hundred twelve billion, twelve million, one hundred eleven thousand, one hundred".