220100002012122 has 32 divisors (see below), whose sum is σ = 446447498048448. Its totient is φ = 72326397419136.

The previous prime is 220100002012063. The next prime is 220100002012223. The reversal of 220100002012122 is 221210200001022.

It is a super-2 number, since 2×220100002012122² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121485448 + ... + 123283875.

It is an arithmetic number, because the mean of its divisors is an integer number (13951484314014).

Almost surely, 2^{220100002012122} is an apocalyptic number.

220100002012122 is an abundant number, since it is smaller than the sum of its proper divisors (226347496036326).

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

220100002012122 is a wasteful number, since it uses less digits than its factorization.

220100002012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244771454.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220100002012122 its reverse (221210200001022), we get a palindrome (441310202013144).

The spelling of 220100002012122 in words is "two hundred twenty trillion, one hundred billion, two million, twelve thousand, one hundred twenty-two".