121919372104 has 16 divisors (see below), whose sum is σ = 230001271920. Its totient is φ = 60585699600.

The previous prime is 121919372087. The next prime is 121919372117. The reversal of 121919372104 is 401273919121.

121919372104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121919372104² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46746922 + ... + 46749529.

It is an arithmetic number, because the mean of its divisors is an integer number (14375079495).

Almost surely, 2^121919372104 is an apocalyptic number.

It is an amenable number.

121919372104 is a deficient number, since it is larger than the sum of its proper divisors (108081899816).

121919372104 is a wasteful number, since it uses less digits than its factorization.

121919372104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93496620 (or 93496616 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The spelling of 121919372104 in words is "one hundred twenty-one billion, nine hundred nineteen million, three hundred seventy-two thousand, one hundred four".