111210133112 has 64 divisors (see below), whose sum is σ = 238242876480. Its totient is φ = 48212047872.

The previous prime is 111210133109. The next prime is 111210133169. The reversal of 111210133112 is 211331012111.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

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, 826778 + ... + 951830.

It is an arithmetic number, because the mean of its divisors is an integer number (3722544945).

Almost surely, 2^111210133112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111210133112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119121438240).

111210133112 is an abundant number, since it is smaller than the sum of its proper divisors (127032743368).

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

111210133112 is a wasteful number, since it uses less digits than its factorization.

111210133112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125592 (or 125588 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111210133112 its reverse (211331012111), we get a palindrome (322541145223).

The spelling of 111210133112 in words is "one hundred eleven billion, two hundred ten million, one hundred thirty-three thousand, one hundred twelve".