22221101010 has 64 divisors (see below), whose sum is σ = 55073525760. Its totient is φ = 5732130240.

The previous prime is 22221100997. The next prime is 22221101011. The reversal of 22221101010 is 1010112222.

It is not an unprimeable number, because it can be changed into a prime (22221101011) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4389861 + ... + 4394919.

It is an arithmetic number, because the mean of its divisors is an integer number (860523840).

Almost surely, 2^22221101010 is an apocalyptic number.

22221101010 is an abundant number, since it is smaller than the sum of its proper divisors (32852424750).

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

22221101010 is a wasteful number, since it uses less digits than its factorization.

22221101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9823.

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

Adding to 22221101010 its reverse (1010112222), we get a palindrome (23231213232).

The spelling of 22221101010 in words is "twenty-two billion, two hundred twenty-one million, one hundred one thousand, ten".