22021122110 has 32 divisors (see below), whose sum is σ = 43492528800. Its totient is φ = 7977460608.

The previous prime is 22021122083. The next prime is 22021122119. The reversal of 22021122110 is 1122112022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021122119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1591160 + ... + 1604939.

It is an arithmetic number, because the mean of its divisors is an integer number (1359141525).

Almost surely, 2^22021122110 is an apocalyptic number.

22021122110 is a deficient number, since it is larger than the sum of its proper divisors (21471406690).

22021122110 is a wasteful number, since it uses less digits than its factorization.

22021122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196172.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22021122110 its reverse (1122112022), we get a palindrome (23143234132).

The spelling of 22021122110 in words is "twenty-two billion, twenty-one million, one hundred twenty-two thousand, one hundred ten".