22513111340120 has 64 divisors (see below), whose sum is σ = 51855324729120. Its totient is φ = 8791949021184.

The previous prime is 22513111340119. The next prime is 22513111340129. The reversal of 22513111340120 is 2104311131522.

It is a super-2 number, since 2×22513111340120² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22513111340120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22513111340129) 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 in 15 ways as a sum of consecutive naturals, for example, 1030322 + ... + 6788798.

Almost surely, 2^{22513111340120} is an apocalyptic number.

22513111340120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22513111340120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25927662364560).

22513111340120 is an abundant number, since it is smaller than the sum of its proper divisors (29342213389000).

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

22513111340120 is a wasteful number, since it uses less digits than its factorization.

22513111340120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5760804 (or 5760800 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 22513111340120 its reverse (2104311131522), we get a palindrome (24617422471642).

The spelling of 22513111340120 in words is "twenty-two trillion, five hundred thirteen billion, one hundred eleven million, three hundred forty thousand, one hundred twenty".