13200221131 has 16 divisors (see below), whose sum is σ = 13855464000. Its totient is φ = 12558647808.

The previous prime is 13200221129. The next prime is 13200221137. The reversal of 13200221131 is 13112200231.

It is a cyclic number.

It is not a de Polignac number, because 13200221131 - 2¹ = 13200221129 is a prime.

It is a super-2 number, since 2×13200221131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13200221137) 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, 2959455 + ... + 2963911.

It is an arithmetic number, because the mean of its divisors is an integer number (865966500).

Almost surely, 2^13200221131 is an apocalyptic number.

13200221131 is a deficient number, since it is larger than the sum of its proper divisors (655242869).

13200221131 is a wasteful number, since it uses less digits than its factorization.

13200221131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5958.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13200221131 its reverse (13112200231), we get a palindrome (26312421362).

The spelling of 13200221131 in words is "thirteen billion, two hundred million, two hundred twenty-one thousand, one hundred thirty-one".