22101211112 has 32 divisors (see below), whose sum is σ = 42878025000. Its totient is φ = 10667236608.

The previous prime is 22101211109. The next prime is 22101211117. The reversal of 22101211112 is 21111210122.

It can be written as a sum of positive squares in 4 ways, for example, as 22074233476 + 26977636 = 148574^2 + 5194^2 .

It is not an unprimeable number, because it can be changed into a prime (22101211117) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1605314 + ... + 1619022.

Almost surely, 2^22101211112 is an apocalyptic number.

It is an amenable number.

22101211112 is a deficient number, since it is larger than the sum of its proper divisors (20776813888).

22101211112 is a wasteful number, since it uses less digits than its factorization.

22101211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20693 (or 20689 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22101211112 its reverse (21111210122), we get a palindrome (43212421234).

The spelling of 22101211112 in words is "twenty-two billion, one hundred one million, two hundred eleven thousand, one hundred twelve".