220122220112 has 10 divisors (see below), whose sum is σ = 426486801498. Its totient is φ = 110061110048.

The previous prime is 220122220111. The next prime is 220122220151. The reversal of 220122220112 is 211022221022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 193902838336 + 26219381776 = 440344^2 + 161924^2 .

It is a super-3 number, since 3×220122220112³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220122220111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6878819363 + ... + 6878819394.

Almost surely, 2^220122220112 is an apocalyptic number.

It is an amenable number.

220122220112 is a deficient number, since it is larger than the sum of its proper divisors (206364581386).

220122220112 is a wasteful number, since it uses less digits than its factorization.

220122220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13757638765 (or 13757638759 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220122220112 its reverse (211022221022), we get a palindrome (431144441134).

The spelling of 220122220112 in words is "two hundred twenty billion, one hundred twenty-two million, two hundred twenty thousand, one hundred twelve".