222211222112112 has 40 divisors (see below), whose sum is σ = 607813048720656. Its totient is φ = 69713324583936.

The previous prime is 222211222112107. The next prime is 222211222112119. The reversal of 222211222112112 is 211211222112222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222211222112119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136158836263 + ... + 136158837894.

Almost surely, 2^{222211222112112} is an apocalyptic number.

It is an amenable number.

222211222112112 is an abundant number, since it is smaller than the sum of its proper divisors (385601826608544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222211222112112 is a wasteful number, since it uses less digits than its factorization.

222211222112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272317674185 (or 272317674179 counting only the distinct ones).

The product of its digits is 512, while the sum is 24.

Adding to 222211222112112 its reverse (211211222112222), we get a palindrome (433422444224334).

The spelling of 222211222112112 in words is "two hundred twenty-two trillion, two hundred eleven billion, two hundred twenty-two million, one hundred twelve thousand, one hundred twelve".