22102111112 has 32 divisors (see below), whose sum is σ = 42521001600. Its totient is φ = 10764581184.

The previous prime is 22102111079. The next prime is 22102111139. The reversal of 22102111112 is 21111120122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38714 + ... + 213782.

It is an arithmetic number, because the mean of its divisors is an integer number (1328781300).

Almost surely, 2^22102111112 is an apocalyptic number.

It is an amenable number.

22102111112 is a deficient number, since it is larger than the sum of its proper divisors (20418890488).

22102111112 is a wasteful number, since it uses less digits than its factorization.

22102111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175485 (or 175481 counting only the distinct ones).

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

Adding to 22102111112 its reverse (21111120122), we get a palindrome (43213231234).

The spelling of 22102111112 in words is "twenty-two billion, one hundred two million, one hundred eleven thousand, one hundred twelve".