220212202121022 has 64 divisors (see below), whose sum is σ = 452515798001664. Its totient is φ = 71390490007680.

The previous prime is 220212202120997. The next prime is 220212202121039. The reversal of 220212202121022 is 220121202212022.

It is a self number, because there is not a number n which added to its sum of digits gives 220212202121022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10474812403 + ... + 10474833425.

It is an arithmetic number, because the mean of its divisors is an integer number (7070559343776).

Almost surely, 2^{220212202121022} is an apocalyptic number.

220212202121022 is an abundant number, since it is smaller than the sum of its proper divisors (232303595880642).

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

220212202121022 is a wasteful number, since it uses less digits than its factorization.

220212202121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38433.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 220212202121022 its reverse (220121202212022), we get a palindrome (440333404333044).

The spelling of 220212202121022 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred two million, one hundred twenty-one thousand, twenty-two".