13120200221101 has 4 divisors (see below), whose sum is σ = 13120284590332. Its totient is φ = 13120115851872.

The previous prime is 13120200221087. The next prime is 13120200221137. The reversal of 13120200221101 is 10112200202131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5945843328100 + 7174356893001 = 2438410^2 + 2678499^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13120200221101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120200021101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41950920 + ... + 42262513.

It is an arithmetic number, because the mean of its divisors is an integer number (3280071147583).

Almost surely, 2^{13120200221101} is an apocalyptic number.

It is an amenable number.

13120200221101 is a deficient number, since it is larger than the sum of its proper divisors (84369231).

13120200221101 is an equidigital number, since it uses as much as digits as its factorization.

13120200221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84369230.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 13120200221101 its reverse (10112200202131), we get a palindrome (23232400423232).

The spelling of 13120200221101 in words is "thirteen trillion, one hundred twenty billion, two hundred million, two hundred twenty-one thousand, one hundred one".