22212011121112 has 16 divisors (see below), whose sum is σ = 41830990110360. Its totient is φ = 11057080425024.

The previous prime is 22212011121073. The next prime is 22212011121137. The reversal of 22212011121112 is 21112111021222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22212011121112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6115640013 + ... + 6115643644.

Almost surely, 2^{22212011121112} is an apocalyptic number.

It is an amenable number.

22212011121112 is a deficient number, since it is larger than the sum of its proper divisors (19618978989248).

22212011121112 is a wasteful number, since it uses less digits than its factorization.

22212011121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12231283890 (or 12231283886 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 22212011121112 its reverse (21112111021222), we get a palindrome (43324122142334).

The spelling of 22212011121112 in words is "twenty-two trillion, two hundred twelve billion, eleven million, one hundred twenty-one thousand, one hundred twelve".