22012112201112 has 64 divisors (see below), whose sum is σ = 66703370313600. Its totient is φ = 6670337029920.

The previous prime is 22012112201111. The next prime is 22012112201117. The reversal of 22012112201112 is 21110221121022.

22012112201112 is a `hidden beast` number, since 220 + 1 + 211 + 220 + 1 + 1 + 12 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012112201111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4632176118 + ... + 4632180869.

It is an arithmetic number, because the mean of its divisors is an integer number (1042240161150).

Almost surely, 2^{22012112201112} is an apocalyptic number.

22012112201112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22012112201112 is an abundant number, since it is smaller than the sum of its proper divisors (44691258112488).

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

22012112201112 is a wasteful number, since it uses less digits than its factorization.

22012112201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9264357013 (or 9264357003 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22012112201112 its reverse (21110221121022), we get a palindrome (43122333322134).

The spelling of 22012112201112 in words is "twenty-two trillion, twelve billion, one hundred twelve million, two hundred one thousand, one hundred twelve".