122211012012021 has 32 divisors (see below), whose sum is σ = 182896581104640. Its totient is φ = 80645001192000.

The previous prime is 122211012011989. The next prime is 122211012012073. The reversal of 122211012012021 is 120210210112221.

It is not a de Polignac number, because 122211012012021 - 2⁵ = 122211012011989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122211012011985 and 122211012012003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122211012017021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3650716 + ... + 16054586.

It is an arithmetic number, because the mean of its divisors is an integer number (5715518159520).

Almost surely, 2^{122211012012021} is an apocalyptic number.

It is an amenable number.

122211012012021 is a deficient number, since it is larger than the sum of its proper divisors (60685569092619).

122211012012021 is a wasteful number, since it uses less digits than its factorization.

122211012012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12407594 (or 12407588 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122211012012021 its reverse (120210210112221), we get a palindrome (242421222124242).

The spelling of 122211012012021 in words is "one hundred twenty-two trillion, two hundred eleven billion, twelve million, twelve thousand, twenty-one".