111213102112 has 48 divisors (see below), whose sum is σ = 250253297280. Its totient is φ = 47658221568.

The previous prime is 111213102103. The next prime is 111213102131. The reversal of 111213102112 is 211201312111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3516064 + ... + 3547552.

It is an arithmetic number, because the mean of its divisors is an integer number (5213610360).

Almost surely, 2^111213102112 is an apocalyptic number.

It is an amenable number.

111213102112 is an abundant number, since it is smaller than the sum of its proper divisors (139040195168).

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

111213102112 is a wasteful number, since it uses less digits than its factorization.

111213102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47273 (or 47265 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111213102112 its reverse (211201312111), we get a palindrome (322414414223).

The spelling of 111213102112 in words is "one hundred eleven billion, two hundred thirteen million, one hundred two thousand, one hundred twelve".