22110100002 has 24 divisors (see below), whose sum is σ = 47908159884. Its totient is φ = 7369580544.

The previous prime is 22110099937. The next prime is 22110100003. The reversal of 22110100002 is 20000101122.

It can be written as a sum of positive squares in 2 ways, for example, as 21246269121 + 863830881 = 145761^2 + 29391^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (22110100003) 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 11 ways as a sum of consecutive naturals, for example, 401698 + ... + 453410.

Almost surely, 2^22110100002 is an apocalyptic number.

22110100002 is an abundant number, since it is smaller than the sum of its proper divisors (25798059882).

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

22110100002 is a wasteful number, since it uses less digits than its factorization.

22110100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75474 (or 75471 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22110100002 its reverse (20000101122), we get a palindrome (42110201124).

The spelling of 22110100002 in words is "twenty-two billion, one hundred ten million, one hundred thousand, two".