222020100102021 has 32 divisors (see below), whose sum is σ = 319162402261248. Its totient is φ = 136471681681920.

The previous prime is 222020100102007. The next prime is 222020100102043. The reversal of 222020100102021 is 120201001020222.

222020100102021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222020100102021 - 2⁷ = 222020100101893 is a prime.

It is a super-2 number, since 2×222020100102021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222020100102061) 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, 176106976 + ... + 177363206.

It is an arithmetic number, because the mean of its divisors is an integer number (9973825070664).

Almost surely, 2^{222020100102021} is an apocalyptic number.

It is an amenable number.

222020100102021 is a deficient number, since it is larger than the sum of its proper divisors (97142302159227).

222020100102021 is a wasteful number, since it uses less digits than its factorization.

222020100102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261421.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222020100102021 its reverse (120201001020222), we get a palindrome (342221101122243).

The spelling of 222020100102021 in words is "two hundred twenty-two trillion, twenty billion, one hundred million, one hundred two thousand, twenty-one".