112111212100 has 36 divisors (see below), whose sum is σ = 243296178048. Its totient is φ = 44841748000.

The previous prime is 112111212097. The next prime is 112111212107. The reversal of 112111212100 is 1212111211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (112111212107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2698485 + ... + 2739715.

It is an arithmetic number, because the mean of its divisors is an integer number (6758227168).

Almost surely, 2^112111212100 is an apocalyptic number.

112111212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112111212100 is an abundant number, since it is smaller than the sum of its proper divisors (131184965948).

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

112111212100 is a wasteful number, since it uses less digits than its factorization.

112111212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68436 (or 68429 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 112111212100 its reverse (1212111211), we get a palindrome (113323323311).

The spelling of 112111212100 in words is "one hundred twelve billion, one hundred eleven million, two hundred twelve thousand, one hundred".