22012001112 has 32 divisors (see below), whose sum is σ = 56805166080. Its totient is φ = 7100645280.

The previous prime is 22012001107. The next prime is 22012001131. The reversal of 22012001112 is 21110021022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14792268 + ... + 14793755.

It is an arithmetic number, because the mean of its divisors is an integer number (1775161440).

Almost surely, 2^22012001112 is an apocalyptic number.

It is an amenable number.

22012001112 is an abundant number, since it is smaller than the sum of its proper divisors (34793164968).

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

22012001112 is a wasteful number, since it uses less digits than its factorization.

22012001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29586063 (or 29586059 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22012001112 its reverse (21110021022), we get a palindrome (43122022134).

The spelling of 22012001112 in words is "twenty-two billion, twelve million, one thousand, one hundred twelve".