111424331021200 has 60 divisors (see below), whose sum is σ = 281786268733360. Its totient is φ = 42223957015680.

The previous prime is 111424331021197. The next prime is 111424331021279. The reversal of 111424331021200 is 2120133424111.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7330540494 + ... + 7330555693.

Almost surely, 2^{111424331021200} is an apocalyptic number.

111424331021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111424331021200 is an abundant number, since it is smaller than the sum of its proper divisors (170361937712160).

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

111424331021200 is a wasteful number, since it uses less digits than its factorization.

111424331021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14661096224 (or 14661096213 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 111424331021200 its reverse (2120133424111), we get a palindrome (113544464445311).

The spelling of 111424331021200 in words is "one hundred eleven trillion, four hundred twenty-four billion, three hundred thirty-one million, twenty-one thousand, two hundred".