212222212022201 has 16 divisors (see below), whose sum is σ = 212722800628800. Its totient is φ = 211722326212608.

The previous prime is 212222212022173. The next prime is 212222212022221. The reversal of 212222212022201 is 102220212222212.

It is a cyclic number.

It is not a de Polignac number, because 212222212022201 - 2³⁰ = 212221138280377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212222212022221) 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, 2874862670 + ... + 2874936488.

It is an arithmetic number, because the mean of its divisors is an integer number (13295175039300).

Almost surely, 2^{212222212022201} is an apocalyptic number.

It is an amenable number.

212222212022201 is a deficient number, since it is larger than the sum of its proper divisors (500588606599).

212222212022201 is a wasteful number, since it uses less digits than its factorization.

212222212022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78488.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 212222212022201 its reverse (102220212222212), we get a palindrome (314442424244413).

The spelling of 212222212022201 in words is "two hundred twelve trillion, two hundred twenty-two billion, two hundred twelve million, twenty-two thousand, two hundred one".