121222210210112 has 112 divisors (see below), whose sum is σ = 276236248217280. Its totient is φ = 52199777894400.

The previous prime is 121222210210021. The next prime is 121222210210163. The reversal of 121222210210112 is 211012012222121.

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, 876821312 + ... + 876959552.

Almost surely, 2^{121222210210112} is an apocalyptic number.

It is an amenable number.

121222210210112 is an abundant number, since it is smaller than the sum of its proper divisors (155014038007168).

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

121222210210112 is a wasteful number, since it uses less digits than its factorization.

121222210210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203840 (or 203830 counting only the distinct ones).

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

Adding to 121222210210112 its reverse (211012012222121), we get a palindrome (332234222432233).

The spelling of 121222210210112 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, two hundred ten million, two hundred ten thousand, one hundred twelve".