22113450102520 has 64 divisors (see below), whose sum is σ = 57426159038400. Its totient is φ = 7506687436800.

The previous prime is 22113450102413. The next prime is 22113450102529. The reversal of 22113450102520 is 2520105431122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22113450102529) 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, 390945025 + ... + 391001584.

It is an arithmetic number, because the mean of its divisors is an integer number (897283734975).

Almost surely, 2^{22113450102520} is an apocalyptic number.

22113450102520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22113450102520 is an abundant number, since it is smaller than the sum of its proper divisors (35312708935880).

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

22113450102520 is a wasteful number, since it uses less digits than its factorization.

22113450102520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781946728 (or 781946724 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 22113450102520 its reverse (2520105431122), we get a palindrome (24633555533642).

The spelling of 22113450102520 in words is "twenty-two trillion, one hundred thirteen billion, four hundred fifty million, one hundred two thousand, five hundred twenty".