121019098923 has 16 divisors (see below), whose sum is σ = 179853142560. Its totient is φ = 80424884448.

The previous prime is 121019098913. The next prime is 121019098943. The reversal of 121019098923 is 329890910121.

It is not a de Polignac number, because 121019098923 - 2⁸ = 121019098667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121019098913) 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, 7061140 + ... + 7078257.

It is an arithmetic number, because the mean of its divisors is an integer number (11240821410).

Almost surely, 2^121019098923 is an apocalyptic number.

121019098923 is a deficient number, since it is larger than the sum of its proper divisors (58834043637).

121019098923 is a wasteful number, since it uses less digits than its factorization.

121019098923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14139723 (or 14139717 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The spelling of 121019098923 in words is "one hundred twenty-one billion, nineteen million, ninety-eight thousand, nine hundred twenty-three".