222000022121112 has 24 divisors (see below), whose sum is σ = 601250059911540. Its totient is φ = 74000007373680.

The previous prime is 222000022121093. The next prime is 222000022121179. The reversal of 222000022121112 is 211121220000222.

It is a happy number.

222000022121112 is a `hidden beast` number, since 2 + 220 + 0 + 0 + 0 + 221 + 211 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×222000022121112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1541666820214 + ... + 1541666820357.

Almost surely, 2^{222000022121112} is an apocalyptic number.

It is an amenable number.

222000022121112 is an abundant number, since it is smaller than the sum of its proper divisors (379250037790428).

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

222000022121112 is a wasteful number, since it uses less digits than its factorization.

222000022121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083333640583 (or 3083333640576 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222000022121112 its reverse (211121220000222), we get a palindrome (433121242121334).

The spelling of 222000022121112 in words is "two hundred twenty-two trillion, twenty-two million, one hundred twenty-one thousand, one hundred twelve".