220000021122 has 32 divisors (see below), whose sum is σ = 502874474112. Its totient is φ = 62854988544.

The previous prime is 220000021117. The next prime is 220000021133. The reversal of 220000021122 is 221120000022.

It is a super-2 number, since 2×220000021122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220000021098 and 220000021107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1460938 + ... + 1604474.

It is an arithmetic number, because the mean of its divisors is an integer number (15714827316).

Almost surely, 2^220000021122 is an apocalyptic number.

220000021122 is an abundant number, since it is smaller than the sum of its proper divisors (282874452990).

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

220000021122 is a wasteful number, since it uses less digits than its factorization.

220000021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180042.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 220000021122 its reverse (221120000022), we get a palindrome (441120021144).

The spelling of 220000021122 in words is "two hundred twenty billion, twenty-one thousand, one hundred twenty-two".