122211210002121 has 24 divisors (see below), whose sum is σ = 183593226910080. Its totient is φ = 78268691438496.

The previous prime is 122211210002117. The next prime is 122211210002179. The reversal of 122211210002121 is 121200012112221.

122211210002121 is a `hidden beast` number, since 122 + 211 + 210 + 0 + 0 + 2 + 121 = 666.

It is not a de Polignac number, because 122211210002121 - 2² = 122211210002117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122211210002094 and 122211210002103.

It is not an unprimeable number, because it can be changed into a prime (122211210001121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2322762495 + ... + 2322815108.

It is an arithmetic number, because the mean of its divisors is an integer number (7649717787920).

Almost surely, 2^{122211210002121} is an apocalyptic number.

It is an amenable number.

122211210002121 is a deficient number, since it is larger than the sum of its proper divisors (61382016907959).

122211210002121 is a wasteful number, since it uses less digits than its factorization.

122211210002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4645577725 (or 4645577722 counting only the distinct ones).

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

Adding to 122211210002121 its reverse (121200012112221), we get a palindrome (243411222114342).

The spelling of 122211210002121 in words is "one hundred twenty-two trillion, two hundred eleven billion, two hundred ten million, two thousand, one hundred twenty-one".