121021451440504 has 32 divisors (see below), whose sum is σ = 238860198090000. Its totient is φ = 57325453823232.

The previous prime is 121021451440387. The next prime is 121021451440507. The reversal of 121021451440504 is 405044154120121.

It is a self number, because there is not a number n which added to its sum of digits gives 121021451440504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121021451440507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14448972 + ... + 21232420.

Almost surely, 2^{121021451440504} is an apocalyptic number.

It is an amenable number.

121021451440504 is a deficient number, since it is larger than the sum of its proper divisors (117838746649496).

121021451440504 is a wasteful number, since it uses less digits than its factorization.

121021451440504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6900847 (or 6900843 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The spelling of 121021451440504 in words is "one hundred twenty-one trillion, twenty-one billion, four hundred fifty-one million, four hundred forty thousand, five hundred four".