22200021112 has 8 divisors (see below), whose sum is σ = 41625039600. Its totient is φ = 11100010552.

The previous prime is 22200021083. The next prime is 22200021121. The reversal of 22200021112 is 21112000222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 22200021092 and 22200021101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387501312 + ... + 1387501327.

It is an arithmetic number, because the mean of its divisors is an integer number (5203129950).

Almost surely, 2^22200021112 is an apocalyptic number.

It is an amenable number.

22200021112 is a deficient number, since it is larger than the sum of its proper divisors (19425018488).

22200021112 is a wasteful number, since it uses less digits than its factorization.

22200021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775002645 (or 2775002641 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22200021112 its reverse (21112000222), we get a palindrome (43312021334).

The spelling of 22200021112 in words is "twenty-two billion, two hundred million, twenty-one thousand, one hundred twelve".