102221121120013 has 4 divisors (see below), whose sum is σ = 116824138422880. Its totient is φ = 87618103817148.

The previous prime is 102221121120007. The next prime is 102221121120043. The reversal of 102221121120013 is 310021121122201.

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 102221121120013 - 2²⁹ = 102220584249101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102221121120043) 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, 7301508651423 + ... + 7301508651436.

It is an arithmetic number, because the mean of its divisors is an integer number (29206034605720).

Almost surely, 2^{102221121120013} is an apocalyptic number.

It is an amenable number.

102221121120013 is a deficient number, since it is larger than the sum of its proper divisors (14603017302867).

102221121120013 is an equidigital number, since it uses as much as digits as its factorization.

102221121120013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14603017302866.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 102221121120013 its reverse (310021121122201), we get a palindrome (412242242242214).

The spelling of 102221121120013 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred twenty thousand, thirteen".