222220112221112 has 8 divisors (see below), whose sum is σ = 416662710414600. Its totient is φ = 111110056110552.

The previous prime is 222220112221103. The next prime is 222220112221153. The reversal of 222220112221112 is 211122211022222.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×222220112221112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13888757013812 + ... + 13888757013827.

It is an arithmetic number, because the mean of its divisors is an integer number (52082838801825).

Almost surely, 2^{222220112221112} is an apocalyptic number.

It is an amenable number.

222220112221112 is a deficient number, since it is larger than the sum of its proper divisors (194442598193488).

222220112221112 is a wasteful number, since it uses less digits than its factorization.

222220112221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27777514027645 (or 27777514027641 counting only the distinct ones).

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

Adding to 222220112221112 its reverse (211122211022222), we get a palindrome (433342323243334).

The spelling of 222220112221112 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twelve".