202222210202021 has 16 divisors (see below), whose sum is σ = 219733231257600. Its totient is φ = 185398026735600.

The previous prime is 202222210202017. The next prime is 202222210202093. The reversal of 202222210202021 is 120202012222202.

It is not a de Polignac number, because 202222210202021 - 2² = 202222210202017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202222210201984 and 202222210202002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202222210202011) 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, 132128726 + ... + 133650456.

It is an arithmetic number, because the mean of its divisors is an integer number (13733326953600).

Almost surely, 2^{202222210202021} is an apocalyptic number.

It is an amenable number.

202222210202021 is a deficient number, since it is larger than the sum of its proper divisors (17511021055579).

202222210202021 is a wasteful number, since it uses less digits than its factorization.

202222210202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747400.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 202222210202021 its reverse (120202012222202), we get a palindrome (322424222424223).

The spelling of 202222210202021 in words is "two hundred two trillion, two hundred twenty-two billion, two hundred ten million, two hundred two thousand, twenty-one".