122331152540421 has 96 divisors (see below), whose sum is σ = 207819935769600. Its totient is φ = 70398896895360.

The previous prime is 122331152540413. The next prime is 122331152540477. The reversal of 122331152540421 is 124045251133221.

122331152540421 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 31 + 152 + 54 + 0 + 421 = 666.

It is not a de Polignac number, because 122331152540421 - 2³ = 122331152540413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122331152548421) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 127733970 + ... + 128688108.

It is an arithmetic number, because the mean of its divisors is an integer number (2164790997600).

Almost surely, 2^{122331152540421} is an apocalyptic number.

122331152540421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122331152540421 is a deficient number, since it is larger than the sum of its proper divisors (85488783229179).

122331152540421 is a wasteful number, since it uses less digits than its factorization.

122331152540421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954456 (or 954313 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 122331152540421 in words is "one hundred twenty-two trillion, three hundred thirty-one billion, one hundred fifty-two million, five hundred forty thousand, four hundred twenty-one".