202222000221021 has 48 divisors (see below), whose sum is σ = 327468494109120. Its totient is φ = 119172272751360.

The previous prime is 202222000220927. The next prime is 202222000221097. The reversal of 202222000221021 is 120122000222202.

202222000221021 is a `hidden beast` number, since 2 + 0 + 222 + 200 + 0 + 221 + 0 + 21 = 666.

It is not a de Polignac number, because 202222000221021 - 2¹⁵ = 202222000188253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202222000220985 and 202222000221003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202222000221421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11261815 + ... + 23049348.

It is an arithmetic number, because the mean of its divisors is an integer number (6822260293940).

Almost surely, 2^{202222000221021} is an apocalyptic number.

It is an amenable number.

202222000221021 is a deficient number, since it is larger than the sum of its proper divisors (125246493888099).

202222000221021 is a wasteful number, since it uses less digits than its factorization.

202222000221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34312826 (or 34312823 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 202222000221021 its reverse (120122000222202), we get a palindrome (322344000443223).

The spelling of 202222000221021 in words is "two hundred two trillion, two hundred twenty-two billion, two hundred twenty-one thousand, twenty-one".