111310221030 has 32 divisors (see below), whose sum is σ = 267153933024. Its totient is φ = 29681680896.

The previous prime is 111310220941. The next prime is 111310221041. The reversal of 111310221030 is 30122013111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 1208904 + ... + 1297716.

It is an arithmetic number, because the mean of its divisors is an integer number (8348560407).

Almost surely, 2^111310221030 is an apocalyptic number.

111310221030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111310221030 is an abundant number, since it is smaller than the sum of its proper divisors (155843711994).

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

111310221030 is a wasteful number, since it uses less digits than its factorization.

111310221030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130600.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 111310221030 its reverse (30122013111), we get a palindrome (141432234141).

The spelling of 111310221030 in words is "one hundred eleven billion, three hundred ten million, two hundred twenty-one thousand, thirty".