112122431421 has 32 divisors (see below), whose sum is σ = 200722679808. Its totient is φ = 53765000640.

The previous prime is 112122431411. The next prime is 112122431459. The reversal of 112122431421 is 124134221211.

It is not a de Polignac number, because 112122431421 - 2⁷ = 112122431293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112122431391 and 112122431400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122431411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18665401 + ... + 18671406.

It is an arithmetic number, because the mean of its divisors is an integer number (6272583744).

Almost surely, 2^112122431421 is an apocalyptic number.

112122431421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112122431421 is a deficient number, since it is larger than the sum of its proper divisors (88600248387).

112122431421 is a wasteful number, since it uses less digits than its factorization.

112122431421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37336841.

The product of its digits is 768, while the sum is 24.

Adding to 112122431421 its reverse (124134221211), we get a palindrome (236256652632).

The spelling of 112122431421 in words is "one hundred twelve billion, one hundred twenty-two million, four hundred thirty-one thousand, four hundred twenty-one".