13100243213021 has 4 divisors (see below), whose sum is σ = 13107429305472. Its totient is φ = 13093057120572.

The previous prime is 13100243213017. The next prime is 13100243213077. The reversal of 13100243213021 is 12031234200131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13100243213021 - 2² = 13100243213017 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 (13100243213011) 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, 3593043491 + ... + 3593047136.

It is an arithmetic number, because the mean of its divisors is an integer number (3276857326368).

Almost surely, 2^{13100243213021} is an apocalyptic number.

It is an amenable number.

13100243213021 is a deficient number, since it is larger than the sum of its proper divisors (7186092451).

13100243213021 is an equidigital number, since it uses as much as digits as its factorization.

13100243213021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7186092450.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13100243213021 its reverse (12031234200131), we get a palindrome (25131477413152).

The spelling of 13100243213021 in words is "thirteen trillion, one hundred billion, two hundred forty-three million, two hundred thirteen thousand, twenty-one".