121550031124 has 12 divisors (see below), whose sum is σ = 212872859584. Its totient is φ = 60729214104.

The previous prime is 121550031061. The next prime is 121550031137. The reversal of 121550031124 is 421130055121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11444394 + ... + 11455009.

Almost surely, 2^121550031124 is an apocalyptic number.

It is an amenable number.

121550031124 is a deficient number, since it is larger than the sum of its proper divisors (91322828460).

121550031124 is a wasteful number, since it uses less digits than its factorization.

121550031124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22900734 (or 22900732 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 121550031124 its reverse (421130055121), we get a palindrome (542680086245).

The spelling of 121550031124 in words is "one hundred twenty-one billion, five hundred fifty million, thirty-one thousand, one hundred twenty-four".