22112012010 has 128 divisors (see below), whose sum is σ = 60654624768. Its totient is φ = 5109984000.

The previous prime is 22112012009. The next prime is 22112012051. The reversal of 22112012010 is 1021021122.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 669280 + ... + 701540.

It is an arithmetic number, because the mean of its divisors is an integer number (473864256).

Almost surely, 2^22112012010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22112012010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30327312384).

22112012010 is an abundant number, since it is smaller than the sum of its proper divisors (38542612758).

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

22112012010 is a wasteful number, since it uses less digits than its factorization.

22112012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32380.

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

Adding to 22112012010 its reverse (1021021122), we get a palindrome (23133033132).

The spelling of 22112012010 in words is "twenty-two billion, one hundred twelve million, twelve thousand, ten".