220220011121122 has 16 divisors (see below), whose sum is σ = 338495269321944. Its totient is φ = 107389975680000.

The previous prime is 220220011121093. The next prime is 220220011121183. The reversal of 220220011121122 is 221121110022022.

It can be written as a sum of positive squares in 4 ways, for example, as 46144998446121 + 174075012675001 = 6793011^2 + 13193749^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220220011121122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429992379 + ... + 430504222.

Almost surely, 2^{220220011121122} is an apocalyptic number.

220220011121122 is a deficient number, since it is larger than the sum of its proper divisors (118275258200822).

220220011121122 is a wasteful number, since it uses less digits than its factorization.

220220011121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860499765.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220220011121122 its reverse (221121110022022), we get a palindrome (441341121143144).

The spelling of 220220011121122 in words is "two hundred twenty trillion, two hundred twenty billion, eleven million, one hundred twenty-one thousand, one hundred twenty-two".