222112111202012 has 12 divisors (see below), whose sum is σ = 391663341128136. Its totient is φ = 110208299451120.

The previous prime is 222112111201969. The next prime is 222112111202041. The reversal of 222112111202012 is 210202111211222.

It is a super-2 number, since 2×222112111202012² (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 in 3 ways as a sum of consecutive naturals, for example, 211939036883 + ... + 211939037930.

It is an arithmetic number, because the mean of its divisors is an integer number (32638611760678).

Almost surely, 2^{222112111202012} is an apocalyptic number.

It is an amenable number.

222112111202012 is a deficient number, since it is larger than the sum of its proper divisors (169551229926124).

222112111202012 is a wasteful number, since it uses less digits than its factorization.

222112111202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423878074948 (or 423878074946 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 222112111202012 its reverse (210202111211222), we get a palindrome (432314222413234).

The spelling of 222112111202012 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred eleven million, two hundred two thousand, twelve".