122211001999955 has 64 divisors (see below), whose sum is σ = 168949901979648. Its totient is φ = 83998143989760.

The previous prime is 122211001999951. The next prime is 122211001999967. The reversal of 122211001999955 is 559999100112221.

It is not a de Polignac number, because 122211001999955 - 2² = 122211001999951 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 122211001999955.

It is not an unprimeable number, because it can be changed into a prime (122211001999951) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43965062 + ... + 46662068.

It is an arithmetic number, because the mean of its divisors is an integer number (2639842218432).

Almost surely, 2^{122211001999955} is an apocalyptic number.

122211001999955 is a deficient number, since it is larger than the sum of its proper divisors (46738899979693).

122211001999955 is a wasteful number, since it uses less digits than its factorization.

122211001999955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697476.

The product of its (nonzero) digits is 1312200, while the sum is 56.

The spelling of 122211001999955 in words is "one hundred twenty-two trillion, two hundred eleven billion, one million, nine hundred ninety-nine thousand, nine hundred fifty-five".