111210342420 has 24 divisors (see below), whose sum is σ = 311388958944. Its totient is φ = 29656091296.

The previous prime is 111210342409. The next prime is 111210342469. The reversal of 111210342420 is 24243012111.

It is a super-2 number, since 2×111210342420² (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, 926752794 + ... + 926752913.

It is an arithmetic number, because the mean of its divisors is an integer number (12974539956).

Almost surely, 2^111210342420 is an apocalyptic number.

111210342420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111210342420 is an abundant number, since it is smaller than the sum of its proper divisors (200178616524).

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

111210342420 is a wasteful number, since it uses less digits than its factorization.

111210342420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853505719 (or 1853505717 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 111210342420 its reverse (24243012111), we get a palindrome (135453354531).

The spelling of 111210342420 in words is "one hundred eleven billion, two hundred ten million, three hundred forty-two thousand, four hundred twenty".