122211210002021 has 16 divisors (see below), whose sum is σ = 139791353059968. Its totient is φ = 104661449006400.

The previous prime is 122211210001999. The next prime is 122211210002039. The reversal of 122211210002021 is 120200012112221.

It is a cyclic number.

It is not a de Polignac number, because 122211210002021 - 2⁶ = 122211210001957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122211210004021) 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, 44055206 + ... + 46747016.

It is an arithmetic number, because the mean of its divisors is an integer number (8736959566248).

Almost surely, 2^{122211210002021} is an apocalyptic number.

It is an amenable number.

122211210002021 is a deficient number, since it is larger than the sum of its proper divisors (17580143057947).

122211210002021 is a wasteful number, since it uses less digits than its factorization.

122211210002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697452.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122211210002021 its reverse (120200012112221), we get a palindrome (242411222114242).

The spelling of 122211210002021 in words is "one hundred twenty-two trillion, two hundred eleven billion, two hundred ten million, two thousand, twenty-one".