22521113102 has 4 divisors (see below), whose sum is σ = 33781669656. Its totient is φ = 11260556550.

The previous prime is 22521113101. The next prime is 22521113107. The reversal of 22521113102 is 20131112522.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22521113101) 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 as a sum of consecutive naturals, namely, 5630278274 + ... + 5630278277.

It is an arithmetic number, because the mean of its divisors is an integer number (8445417414).

Almost surely, 2^22521113102 is an apocalyptic number.

22521113102 is a deficient number, since it is larger than the sum of its proper divisors (11260556554).

22521113102 is a wasteful number, since it uses less digits than its factorization.

22521113102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11260556553.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 22521113102 its reverse (20131112522), we get a palindrome (42652225624).

The spelling of 22521113102 in words is "twenty-two billion, five hundred twenty-one million, one hundred thirteen thousand, one hundred two".