22120001013 has 16 divisors (see below), whose sum is σ = 32217086016. Its totient is φ = 13388336640.

The previous prime is 22120001009. The next prime is 22120001017. The reversal of 22120001013 is 31010002122.

It is an interprime number because it is at equal distance from previous prime (22120001009) and next prime (22120001017).

It is not a de Polignac number, because 22120001013 - 2² = 22120001009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22120001013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120001017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417756 + ... + 467717.

It is an arithmetic number, because the mean of its divisors is an integer number (2013567876).

Almost surely, 2^22120001013 is an apocalyptic number.

It is an amenable number.

22120001013 is a deficient number, since it is larger than the sum of its proper divisors (10097085003).

22120001013 is a wasteful number, since it uses less digits than its factorization.

22120001013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886244.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 22120001013 its reverse (31010002122), we get a palindrome (53130003135).

The spelling of 22120001013 in words is "twenty-two billion, one hundred twenty million, one thousand, thirteen".