100222212022221 has 16 divisors (see below), whose sum is σ = 143208237158784. Its totient is φ = 62182524026304.

The previous prime is 100222212022187. The next prime is 100222212022259. The reversal of 100222212022221 is 122220212222001.

It is not a de Polignac number, because 100222212022221 - 2⁶ = 100222212022157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100222212022321) 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, 19628319426 + ... + 19628324531.

It is an arithmetic number, because the mean of its divisors is an integer number (8950514822424).

Almost surely, 2^{100222212022221} is an apocalyptic number.

It is an amenable number.

100222212022221 is a deficient number, since it is larger than the sum of its proper divisors (42986025136563).

100222212022221 is a wasteful number, since it uses less digits than its factorization.

100222212022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39256644020.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 100222212022221 its reverse (122220212222001), we get a palindrome (222442424244222).

The spelling of 100222212022221 in words is "one hundred trillion, two hundred twenty-two billion, two hundred twelve million, twenty-two thousand, two hundred twenty-one".