121022130099 has 32 divisors (see below), whose sum is σ = 176644871424. Its totient is φ = 73253289600.

The previous prime is 121022130079. The next prime is 121022130121. The reversal of 121022130099 is 990031220121.

It is not a de Polignac number, because 121022130099 - 2²⁴ = 121005352883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121022130079) 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, 652449 + ... + 817149.

It is an arithmetic number, because the mean of its divisors is an integer number (5520152232).

Almost surely, 2^121022130099 is an apocalyptic number.

121022130099 is a deficient number, since it is larger than the sum of its proper divisors (55622741325).

121022130099 is a wasteful number, since it uses less digits than its factorization.

121022130099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165027.

The product of its (nonzero) digits is 1944, while the sum is 30.

The spelling of 121022130099 in words is "one hundred twenty-one billion, twenty-two million, one hundred thirty thousand, ninety-nine".