13220201320100 has 72 divisors (see below), whose sum is σ = 29631689783808. Its totient is φ = 5114310854400.

The previous prime is 13220201320093. The next prime is 13220201320201. The reversal of 13220201320100 is 102310202231.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3654824 + ... + 6308576.

Almost surely, 2^{13220201320100} is an apocalyptic number.

13220201320100 is a gapful number since it is divisible by the number (10) 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 13220201320100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14815844891904).

13220201320100 is an abundant number, since it is smaller than the sum of its proper divisors (16411488463708).

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

13220201320100 is a wasteful number, since it uses less digits than its factorization.

13220201320100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655405 (or 2655398 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13220201320100 its reverse (102310202231), we get a palindrome (13322511522331).

The spelling of 13220201320100 in words is "thirteen trillion, two hundred twenty billion, two hundred one million, three hundred twenty thousand, one hundred".