22021013104 has 20 divisors (see below), whose sum is σ = 45175461264. Its totient is φ = 10362829568.

The previous prime is 22021013099. The next prime is 22021013107. The reversal of 22021013104 is 40131012022.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021013107) 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 3 ways as a sum of consecutive naturals, for example, 40479532 + ... + 40480075.

Almost surely, 2^22021013104 is an apocalyptic number.

It is an amenable number.

22021013104 is an abundant number, since it is smaller than the sum of its proper divisors (23154448160).

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

22021013104 is a wasteful number, since it uses less digits than its factorization.

22021013104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80959632 (or 80959626 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22021013104 its reverse (40131012022), we get a palindrome (62152025126).

The spelling of 22021013104 in words is "twenty-two billion, twenty-one million, thirteen thousand, one hundred four".