121375563028 has 48 divisors (see below), whose sum is σ = 217406586880. Its totient is φ = 59279317344.

The previous prime is 121375563007. The next prime is 121375563061. The reversal of 121375563028 is 820365573121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11481001 + ... + 11491567.

Almost surely, 2^121375563028 is an apocalyptic number.

It is an amenable number.

121375563028 is a deficient number, since it is larger than the sum of its proper divisors (96031023852).

121375563028 is a wasteful number, since it uses less digits than its factorization.

121375563028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11036 (or 11034 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 121375563028 in words is "one hundred twenty-one billion, three hundred seventy-five million, five hundred sixty-three thousand, twenty-eight".