222222001021112 has 16 divisors (see below), whose sum is σ = 416666886075360. Its totient is φ = 111110831401024.

The previous prime is 222222001021103. The next prime is 222222001021183. The reversal of 222222001021112 is 211120100222222.

It is a congruent number.

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, 15464288 + ... + 26145519.

It is an arithmetic number, because the mean of its divisors is an integer number (26041680379710).

Almost surely, 2^{222222001021112} is an apocalyptic number.

It is an amenable number.

222222001021112 is a deficient number, since it is larger than the sum of its proper divisors (194444885054248).

222222001021112 is a wasteful number, since it uses less digits than its factorization.

222222001021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42277390 (or 42277386 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222222001021112 its reverse (211120100222222), we get a palindrome (433342101243334).

The spelling of 222222001021112 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one million, twenty-one thousand, one hundred twelve".