22021110102 has 16 divisors (see below), whose sum is σ = 44078543280. Its totient is φ = 7334316192.

The previous prime is 22021110101. The next prime is 22021110113. The reversal of 22021110102 is 20101112022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021110101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1505577 + ... + 1520132.

It is an arithmetic number, because the mean of its divisors is an integer number (2754908955).

Almost surely, 2^22021110102 is an apocalyptic number.

22021110102 is an abundant number, since it is smaller than the sum of its proper divisors (22057433178).

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

22021110102 is a wasteful number, since it uses less digits than its factorization.

22021110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026927.

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

Adding to 22021110102 its reverse (20101112022), we get a palindrome (42122222124).

The spelling of 22021110102 in words is "twenty-two billion, twenty-one million, one hundred ten thousand, one hundred two".