111420431400 has 48 divisors (see below), whose sum is σ = 345403339200. Its totient is φ = 29712114880.

The previous prime is 111420431393. The next prime is 111420431411. The reversal of 111420431400 is 4134024111.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92849760 + ... + 92850959.

It is an arithmetic number, because the mean of its divisors is an integer number (7195902900).

Almost surely, 2^111420431400 is an apocalyptic number.

111420431400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111420431400 is an abundant number, since it is smaller than the sum of its proper divisors (233982907800).

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

111420431400 is a wasteful number, since it uses less digits than its factorization.

111420431400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185700738 (or 185700729 counting only the distinct ones).

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

Adding to 111420431400 its reverse (4134024111), we get a palindrome (115554455511).

The spelling of 111420431400 in words is "one hundred eleven billion, four hundred twenty million, four hundred thirty-one thousand, four hundred".