111534221110 has 16 divisors (see below), whose sum is σ = 216204798096. Its totient is φ = 41181866208.

The previous prime is 111534221047. The next prime is 111534221147. The reversal of 111534221110 is 11122435111.

It is a super-2 number, since 2×111534221110² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 428977644 + ... + 428977903.

It is an arithmetic number, because the mean of its divisors is an integer number (13512799881).

Almost surely, 2^111534221110 is an apocalyptic number.

111534221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111534221110 is a deficient number, since it is larger than the sum of its proper divisors (104670576986).

111534221110 is a wasteful number, since it uses less digits than its factorization.

111534221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857955567.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 111534221110 its reverse (11122435111), we get a palindrome (122656656221).

The spelling of 111534221110 in words is "one hundred eleven billion, five hundred thirty-four million, two hundred twenty-one thousand, one hundred ten".