222222021112112 has 20 divisors (see below), whose sum is σ = 492063046748496. Its totient is φ = 95238009048000.

The previous prime is 222222021112103. The next prime is 222222021112153. The reversal of 222222021112112 is 211211120222222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992062594139 + ... + 992062594362.

Almost surely, 2^{222222021112112} is an apocalyptic number.

It is an amenable number.

222222021112112 is an abundant number, since it is smaller than the sum of its proper divisors (269841025636384).

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

222222021112112 is a wasteful number, since it uses less digits than its factorization.

222222021112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984125188516 (or 1984125188510 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 222222021112112 its reverse (211211120222222), we get a palindrome (433433141334334).

The spelling of 222222021112112 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, twenty-one million, one hundred twelve thousand, one hundred twelve".