22123210110 has 32 divisors (see below), whose sum is σ = 53101010592. Its totient is φ = 5898933120.

The previous prime is 22123210069. The next prime is 22123210121. The reversal of 22123210110 is 1101232122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22123210110.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 327352 + ... + 389108.

It is an arithmetic number, because the mean of its divisors is an integer number (1659406581).

Almost surely, 2^22123210110 is an apocalyptic number.

22123210110 is an abundant number, since it is smaller than the sum of its proper divisors (30977800482).

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

22123210110 is a wasteful number, since it uses less digits than its factorization.

22123210110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73708.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22123210110 its reverse (1101232122), we get a palindrome (23224442232).

The spelling of 22123210110 in words is "twenty-two billion, one hundred twenty-three million, two hundred ten thousand, one hundred ten".