121115926422 has 24 divisors (see below), whose sum is σ = 264870347976. Its totient is φ = 39994666656.

The previous prime is 121115926411. The next prime is 121115926423. The reversal of 121115926422 is 224629511121.

121115926422 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 1 + 5 + 9 + 2 + 642 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121115926423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31440423 + ... + 31444274.

It is an arithmetic number, because the mean of its divisors is an integer number (11036264499).

Almost surely, 2^121115926422 is an apocalyptic number.

121115926422 is an abundant number, since it is smaller than the sum of its proper divisors (143754421554).

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

121115926422 is a wasteful number, since it uses less digits than its factorization.

121115926422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62884812 (or 62884809 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The spelling of 121115926422 in words is "one hundred twenty-one billion, one hundred fifteen million, nine hundred twenty-six thousand, four hundred twenty-two".