121201221022112 has 96 divisors (see below), whose sum is σ = 314993547792000. Its totient is φ = 44443534049280.

The previous prime is 121201221021961. The next prime is 121201221022121. The reversal of 121201221022112 is 211220122102121.

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, 1446687737 + ... + 1446771512.

It is an arithmetic number, because the mean of its divisors is an integer number (3281182789500).

Almost surely, 2^{121201221022112} is an apocalyptic number.

It is an amenable number.

121201221022112 is an abundant number, since it is smaller than the sum of its proper divisors (193792326769888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121201221022112 is a wasteful number, since it uses less digits than its factorization.

121201221022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893459294 (or 2893459286 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121201221022112 its reverse (211220122102121), we get a palindrome (332421343124233).

The spelling of 121201221022112 in words is "one hundred twenty-one trillion, two hundred one billion, two hundred twenty-one million, twenty-two thousand, one hundred twelve".