121002030099 has 6 divisors (see below), whose sum is σ = 174780710156. Its totient is φ = 80668020060.

The previous prime is 121002030049. The next prime is 121002030101. The reversal of 121002030099 is 990030200121.

It is not a de Polignac number, because 121002030099 - 2¹⁵ = 121001997331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121002030029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6722334997 + ... + 6722335014.

Almost surely, 2^121002030099 is an apocalyptic number.

121002030099 is a deficient number, since it is larger than the sum of its proper divisors (53778680057).

121002030099 is a wasteful number, since it uses less digits than its factorization.

121002030099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13444670017 (or 13444670014 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The spelling of 121002030099 in words is "one hundred twenty-one billion, two million, thirty thousand, ninety-nine".