22102220021112 has 96 divisors (see below), whose sum is σ = 74630872817280. Its totient is φ = 5740836367680.

The previous prime is 22102220021083. The next prime is 22102220021113. The reversal of 22102220021112 is 21112002220122.

It is a happy number.

22102220021112 is a `hidden beast` number, since 221 + 0 + 2 + 220 + 0 + 211 + 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 (22102220021113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1993340418 + ... + 1993351505.

It is an arithmetic number, because the mean of its divisors is an integer number (777404925180).

Almost surely, 2^{22102220021112} is an apocalyptic number.

22102220021112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22102220021112 is an abundant number, since it is smaller than the sum of its proper divisors (52528652796168).

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

22102220021112 is a wasteful number, since it uses less digits than its factorization.

22102220021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986691953 (or 3986691946 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22102220021112 its reverse (21112002220122), we get a palindrome (43214222241234).

The spelling of 22102220021112 in words is "twenty-two trillion, one hundred two billion, two hundred twenty million, twenty-one thousand, one hundred twelve".