111121023432 has 32 divisors (see below), whose sum is σ = 277911953280. Its totient is φ = 37025755200.

The previous prime is 111121023373. The next prime is 111121023449. The reversal of 111121023432 is 234320121111.

It is a junction number, because it is equal to n+sod(n) for n = 111121023399 and 111121023408.

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, 849319 + ... + 971382.

It is an arithmetic number, because the mean of its divisors is an integer number (8684748540).

Almost surely, 2^111121023432 is an apocalyptic number.

111121023432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111121023432 is an abundant number, since it is smaller than the sum of its proper divisors (166790929848).

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

111121023432 is a wasteful number, since it uses less digits than its factorization.

111121023432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823253 (or 1823249 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 111121023432 its reverse (234320121111), we get a palindrome (345441144543).

The spelling of 111121023432 in words is "one hundred eleven billion, one hundred twenty-one million, twenty-three thousand, four hundred thirty-two".