10022222020221 has 12 divisors (see below), whose sum is σ = 14480716080220. Its totient is φ = 6679555272000.

The previous prime is 10022222020211. The next prime is 10022222020249. The reversal of 10022222020221 is 12202022222001.

10022222020221 is a `hidden beast` number, since 1 + 0 + 0 + 222 + 220 + 2 + 0 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 917790824196 + 9104431196025 = 958014^2 + 3017355^2 .

It is not a de Polignac number, because 10022222020221 - 2¹⁹ = 10022221495933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10022222020194 and 10022222020203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022222020211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160473280 + ... + 160535721.

Almost surely, 2^{10022222020221} is an apocalyptic number.

It is an amenable number.

10022222020221 is a deficient number, since it is larger than the sum of its proper divisors (4458494059999).

10022222020221 is a wasteful number, since it uses less digits than its factorization.

10022222020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321012476 (or 321012473 counting only the distinct ones).

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

Adding to 10022222020221 its reverse (12202022222001), we get a palindrome (22224244242222).

The spelling of 10022222020221 in words is "ten trillion, twenty-two billion, two hundred twenty-two million, twenty thousand, two hundred twenty-one".