22111212000112 has 20 divisors (see below), whose sum is σ = 42840897478056. Its totient is φ = 11055496521920.

The previous prime is 22111212000083. The next prime is 22111212000113. The reversal of 22111212000112 is 21100021211122.

It is a super-2 number, since 2×22111212000112² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111212000113) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5163658 + ... + 8419369.

Almost surely, 2^{22111212000112} is an apocalyptic number.

It is an amenable number.

22111212000112 is a deficient number, since it is larger than the sum of its proper divisors (20729685477944).

22111212000112 is a wasteful number, since it uses less digits than its factorization.

22111212000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13684776 (or 13684770 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22111212000112 its reverse (21100021211122), we get a palindrome (43211233211234).

The spelling of 22111212000112 in words is "twenty-two trillion, one hundred eleven billion, two hundred twelve million, one hundred twelve", and thus it is an aban number.