111020312032 has 96 divisors (see below), whose sum is σ = 251212921344. Its totient is φ = 47310912000.

The previous prime is 111020311991. The next prime is 111020312041. The reversal of 111020312032 is 230213020111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111020311997 and 111020312015.

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, 38939407 + ... + 38942257.

It is an arithmetic number, because the mean of its divisors is an integer number (2616801264).

Almost surely, 2^111020312032 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 111020312032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125606460672).

111020312032 is an abundant number, since it is smaller than the sum of its proper divisors (140192609312).

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

111020312032 is a wasteful number, since it uses less digits than its factorization.

111020312032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3792 (or 3784 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 111020312032 its reverse (230213020111), we get a palindrome (341233332143).

The spelling of 111020312032 in words is "one hundred eleven billion, twenty million, three hundred twelve thousand, thirty-two".