121105939112 has 16 divisors (see below), whose sum is σ = 227078100000. Its totient is φ = 60551779120.

The previous prime is 121105939081. The next prime is 121105939133. The reversal of 121105939112 is 211939501121.

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, 404639 + ... + 637137.

It is an arithmetic number, because the mean of its divisors is an integer number (14192381250).

Almost surely, 2^121105939112 is an apocalyptic number.

It is an amenable number.

121105939112 is a deficient number, since it is larger than the sum of its proper divisors (105972160888).

121105939112 is a wasteful number, since it uses less digits than its factorization.

121105939112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297616 (or 297612 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 35.

The spelling of 121105939112 in words is "one hundred twenty-one billion, one hundred five million, nine hundred thirty-nine thousand, one hundred twelve".