122021122331 has 16 divisors (see below), whose sum is σ = 125473536000. Its totient is φ = 118616385888.

The previous prime is 122021122291. The next prime is 122021122337. The reversal of 122021122331 is 133221120221.

It is a cyclic number.

It is not a de Polignac number, because 122021122331 - 2¹⁰ = 122021121307 is a prime.

It is a super-2 number, since 2×122021122331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122021122337) 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, 2496530 + ... + 2544936.

It is an arithmetic number, because the mean of its divisors is an integer number (7842096000).

Almost surely, 2^122021122331 is an apocalyptic number.

122021122331 is a deficient number, since it is larger than the sum of its proper divisors (3452413669).

122021122331 is a wasteful number, since it uses less digits than its factorization.

122021122331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48898.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 122021122331 its reverse (133221120221), we get a palindrome (255242242552).

The spelling of 122021122331 in words is "one hundred twenty-two billion, twenty-one million, one hundred twenty-two thousand, three hundred thirty-one".