112400420421 has 16 divisors (see below), whose sum is σ = 150204637440. Its totient is φ = 74765053440.

The previous prime is 112400420417. The next prime is 112400420491. The reversal of 112400420421 is 124024004211.

It is not a de Polignac number, because 112400420421 - 2² = 112400420417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112400420411) 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, 3311625 + ... + 3345393.

It is an arithmetic number, because the mean of its divisors is an integer number (9387789840).

Almost surely, 2^112400420421 is an apocalyptic number.

It is an amenable number.

112400420421 is a deficient number, since it is larger than the sum of its proper divisors (37804217019).

112400420421 is a wasteful number, since it uses less digits than its factorization.

112400420421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36236.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 112400420421 its reverse (124024004211), we get a palindrome (236424424632).

The spelling of 112400420421 in words is "one hundred twelve billion, four hundred million, four hundred twenty thousand, four hundred twenty-one".