100222222122211 has 32 divisors (see below), whose sum is σ = 120466952847360. Its totient is φ = 81518580734976.

The previous prime is 100222222122203. The next prime is 100222222122247. The reversal of 100222222122211 is 112221222222001.

It is not a de Polignac number, because 100222222122211 - 2³ = 100222222122203 is a prime.

It is a super-2 number, since 2×100222222122211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100222222122311) 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, 434935635 + ... + 435166003.

It is an arithmetic number, because the mean of its divisors is an integer number (3764592276480).

Almost surely, 2^{100222222122211} is an apocalyptic number.

100222222122211 is a deficient number, since it is larger than the sum of its proper divisors (20244730725149).

100222222122211 is a wasteful number, since it uses less digits than its factorization.

100222222122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251803.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 100222222122211 its reverse (112221222222001), we get a palindrome (212443444344212).

The spelling of 100222222122211 in words is "one hundred trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred eleven".