220010021122 has 16 divisors (see below), whose sum is σ = 336467788920. Its totient is φ = 107856882432.

The previous prime is 220010021111. The next prime is 220010021123. The reversal of 220010021122 is 221120010022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 130776980161 + 89233040961 = 361631^2 + 298719^2 .

It is a super-2 number, since 2×220010021122² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220010021123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539133 + ... + 854800.

Almost surely, 2^220010021122 is an apocalyptic number.

220010021122 is a deficient number, since it is larger than the sum of its proper divisors (116457767798).

220010021122 is a wasteful number, since it uses less digits than its factorization.

220010021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395477.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220010021122 its reverse (221120010022), we get a palindrome (441130031144).

It can be divided in two parts, 2200100 and 21122, that added together give a palindrome (2221222).

The spelling of 220010021122 in words is "two hundred twenty billion, ten million, twenty-one thousand, one hundred twenty-two".