122312221052021 has 16 divisors (see below), whose sum is σ = 164223401693568. Its totient is φ = 87976822334400.

The previous prime is 122312221051967. The next prime is 122312221052027. The reversal of 122312221052021 is 120250122213221.

It is a cyclic number.

It is not a de Polignac number, because 122312221052021 - 2¹⁸ = 122312220789877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122312221052027) 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, 61095014510 + ... + 61095016511.

It is an arithmetic number, because the mean of its divisors is an integer number (10263962605848).

Almost surely, 2^{122312221052021} is an apocalyptic number.

122312221052021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122312221052021 is a deficient number, since it is larger than the sum of its proper divisors (41911180641547).

122312221052021 is a wasteful number, since it uses less digits than its factorization.

122312221052021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122190031052.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 122312221052021 its reverse (120250122213221), we get a palindrome (242562343265242).

The spelling of 122312221052021 in words is "one hundred twenty-two trillion, three hundred twelve billion, two hundred twenty-one million, fifty-two thousand, twenty-one".