111421400244 has 48 divisors (see below), whose sum is σ = 324134985216. Its totient is φ = 28940623200.

The previous prime is 111421400243. The next prime is 111421400249. The reversal of 111421400244 is 442004124111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111421400243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60292042 + ... + 60293889.

It is an arithmetic number, because the mean of its divisors is an integer number (6752812192).

Almost surely, 2^111421400244 is an apocalyptic number.

111421400244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

111421400244 is an abundant number, since it is smaller than the sum of its proper divisors (212713584972).

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

111421400244 is a wasteful number, since it uses less digits than its factorization.

111421400244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120585956 (or 120585954 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 111421400244 its reverse (442004124111), we get a palindrome (553425524355).

The spelling of 111421400244 in words is "one hundred eleven billion, four hundred twenty-one million, four hundred thousand, two hundred forty-four".