220111122111112 has 16 divisors (see below), whose sum is σ = 412709253358860. Its totient is φ = 110055321215424.

The previous prime is 220111122111091. The next prime is 220111122111157. The reversal of 220111122111112 is 211111221111022.

It can be written as a sum of positive squares in 2 ways, for example, as 218408968739556 + 1702153371556 = 14778666^2 + 1304666^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220111122111112.

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, 26049303 + ... + 33448294.

Almost surely, 2^{220111122111112} is an apocalyptic number.

It is an amenable number.

220111122111112 is a deficient number, since it is larger than the sum of its proper divisors (192598131247748).

220111122111112 is a wasteful number, since it uses less digits than its factorization.

220111122111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59960040 (or 59960036 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 220111122111112 its reverse (211111221111022), we get a palindrome (431222343222134).

The spelling of 220111122111112 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, one hundred twelve".