220122132010021 has 16 divisors (see below), whose sum is σ = 223388658380160. Its totient is φ = 216860258381760.

The previous prime is 220122132010003. The next prime is 220122132010043. The reversal of 220122132010021 is 120010231221022.

It is a cyclic number.

It is not a de Polignac number, because 220122132010021 - 2³⁹ = 219572376196133 is a prime.

It is a super-2 number, since 2×220122132010021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220122132010061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 896801050 + ... + 897046468.

It is an arithmetic number, because the mean of its divisors is an integer number (13961791148760).

Almost surely, 2^{220122132010021} is an apocalyptic number.

It is an amenable number.

220122132010021 is a deficient number, since it is larger than the sum of its proper divisors (3266526370139).

220122132010021 is a wasteful number, since it uses less digits than its factorization.

220122132010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254844.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 220122132010021 its reverse (120010231221022), we get a palindrome (340132363231043).

The spelling of 220122132010021 in words is "two hundred twenty trillion, one hundred twenty-two billion, one hundred thirty-two million, ten thousand, twenty-one".