13100112220 has 24 divisors (see below), whose sum is σ = 29626408224. Its totient is φ = 4836964416.

The previous prime is 13100112217. The next prime is 13100112227. The reversal of 13100112220 is 2221100131.

It is a super-2 number, since 2×13100112220² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 13100112220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13100112227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25192264 + ... + 25192783.

It is an arithmetic number, because the mean of its divisors is an integer number (1234433676).

Almost surely, 2^13100112220 is an apocalyptic number.

13100112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13100112220 is an abundant number, since it is smaller than the sum of its proper divisors (16526296004).

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

13100112220 is a wasteful number, since it uses less digits than its factorization.

13100112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50385069 (or 50385067 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 13100112220 its reverse (2221100131), we get a palindrome (15321212351).

The spelling of 13100112220 in words is "thirteen billion, one hundred million, one hundred twelve thousand, two hundred twenty".