210021202202022 has 48 divisors (see below), whose sum is σ = 462531235280400. Its totient is φ = 68855609908800.

The previous prime is 210021202202003. The next prime is 210021202202029. The reversal of 210021202202022 is 220202202120012.

210021202202022 is a `hidden beast` number, since 210 + 0 + 212 + 0 + 220 + 2 + 0 + 22 = 666.

It is a super-2 number, since 2×210021202202022² (a number of 29 digits) contains 22 as substring.

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 = 210021202201986 and 210021202202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210021202202029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14657997 + ... + 25197207.

It is an arithmetic number, because the mean of its divisors is an integer number (9636067401675).

Almost surely, 2^{210021202202022} is an apocalyptic number.

210021202202022 is an abundant number, since it is smaller than the sum of its proper divisors (252510033078378).

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

210021202202022 is a wasteful number, since it uses less digits than its factorization.

210021202202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10557429 (or 10557426 counting only the distinct ones).

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

Adding to 210021202202022 its reverse (220202202120012), we get a palindrome (430223404322034).

The spelling of 210021202202022 in words is "two hundred ten trillion, twenty-one billion, two hundred two million, two hundred two thousand, twenty-two".