220222122112 has 32 divisors (see below), whose sum is σ = 439484259420. Its totient is φ = 109920190464.

The previous prime is 220222122101. The next prime is 220222122137. The reversal of 220222122112 is 211221222022.

It can be written as a sum of positive squares in 2 ways, for example, as 214976886336 + 5245235776 = 463656^2 + 72424^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 220222122112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1417033 + ... + 1564744.

Almost surely, 2^220222122112 is an apocalyptic number.

It is an amenable number.

220222122112 is a deficient number, since it is larger than the sum of its proper divisors (219262137308).

220222122112 is an equidigital number, since it uses as much as digits as its factorization.

220222122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982368 (or 2982356 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220222122112 its reverse (211221222022), we get a palindrome (431443344134).

The spelling of 220222122112 in words is "two hundred twenty billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred twelve".