121112022010121 has 16 divisors (see below), whose sum is σ = 124021052294400. Its totient is φ = 118226135776320.

The previous prime is 121112022010099. The next prime is 121112022010123. The reversal of 121112022010121 is 121010220211121.

It is a cyclic number.

It is not a de Polignac number, because 121112022010121 - 2²⁶ = 121111954901257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121112022010121.

It is not an unprimeable number, because it can be changed into a prime (121112022010123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382307531 + ... + 382624191.

It is an arithmetic number, because the mean of its divisors is an integer number (7751315768400).

Almost surely, 2^{121112022010121} is an apocalyptic number.

It is an amenable number.

121112022010121 is a deficient number, since it is larger than the sum of its proper divisors (2909030284279).

121112022010121 is a wasteful number, since it uses less digits than its factorization.

121112022010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353176.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121112022010121 its reverse (121010220211121), we get a palindrome (242122242221242).

The spelling of 121112022010121 in words is "one hundred twenty-one trillion, one hundred twelve billion, twenty-two million, ten thousand, one hundred twenty-one".