121131302002 has 8 divisors (see below), whose sum is σ = 192385009116. Its totient is φ = 57002965632.

The previous prime is 121131301961. The next prime is 121131302063. The reversal of 121131302002 is 200203131121.

It can be written as a sum of positive squares in 2 ways, for example, as 91876278321 + 29255023681 = 303111^2 + 171041^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1781342643 + ... + 1781342710.

Almost surely, 2^121131302002 is an apocalyptic number.

121131302002 is a deficient number, since it is larger than the sum of its proper divisors (71253707114).

121131302002 is a wasteful number, since it uses less digits than its factorization.

121131302002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562685372.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121131302002 its reverse (200203131121), we get a palindrome (321334433123).

The spelling of 121131302002 in words is "one hundred twenty-one billion, one hundred thirty-one million, three hundred two thousand, two".