111400121224 has 16 divisors (see below), whose sum is σ = 238714545600. Its totient is φ = 47742909072.

The previous prime is 111400121221. The next prime is 111400121257. The reversal of 111400121224 is 422121004111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (111400121221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994643884 + ... + 994643995.

It is an arithmetic number, because the mean of its divisors is an integer number (14919659100).

Almost surely, 2^111400121224 is an apocalyptic number.

111400121224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

111400121224 is an abundant number, since it is smaller than the sum of its proper divisors (127314424376).

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

111400121224 is a wasteful number, since it uses less digits than its factorization.

111400121224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989287892 (or 1989287888 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111400121224 its reverse (422121004111), we get a palindrome (533521125335).

The spelling of 111400121224 in words is "one hundred eleven billion, four hundred million, one hundred twenty-one thousand, two hundred twenty-four".