122202012112021 has 16 divisors (see below), whose sum is σ = 125224763308848. Its totient is φ = 119181278361600.

The previous prime is 122202012111973. The next prime is 122202012112027. The reversal of 122202012112021 is 120211210202221.

It can be written as a sum of positive squares in 8 ways, for example, as 181378884996 + 122020633227025 = 425886^2 + 11046295^2 .

It is a cyclic number.

It is not a de Polignac number, because 122202012112021 - 2¹¹ = 122202012109973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122202012112021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122202012112027) 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, 1563906465 + ... + 1563984601.

It is an arithmetic number, because the mean of its divisors is an integer number (7826547706803).

Almost surely, 2^{122202012112021} is an apocalyptic number.

It is an amenable number.

122202012112021 is a deficient number, since it is larger than the sum of its proper divisors (3022751196827).

122202012112021 is an equidigital number, since it uses as much as digits as its factorization.

122202012112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90552.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122202012112021 its reverse (120211210202221), we get a palindrome (242413222314242).

The spelling of 122202012112021 in words is "one hundred twenty-two trillion, two hundred two billion, twelve million, one hundred twelve thousand, twenty-one".