10221220202022 has 32 divisors (see below), whose sum is σ = 22713927608160. Its totient is φ = 3407057660160.

The previous prime is 10221220201903. The next prime is 10221220202033. The reversal of 10221220202022 is 22020202212201.

10221220202022 is a `hidden beast` number, since 1 + 0 + 221 + 220 + 20 + 202 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10221220201986 and 10221220202004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21020122 + ... + 21500882.

It is an arithmetic number, because the mean of its divisors is an integer number (709810237755).

Almost surely, 2^{10221220202022} is an apocalyptic number.

10221220202022 is an abundant number, since it is smaller than the sum of its proper divisors (12492707406138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10221220202022 is a wasteful number, since it uses less digits than its factorization.

10221220202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874485 (or 874479 counting only the distinct ones).

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

Adding to 10221220202022 its reverse (22020202212201), we get a palindrome (32241422414223).

The spelling of 10221220202022 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty million, two hundred two thousand, twenty-two".