100221321310213 has 4 divisors (see below), whose sum is σ = 100232779112640. Its totient is φ = 100209863507788.

The previous prime is 100221321310211. The next prime is 100221321310241. The reversal of 100221321310213 is 312013123122001.

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 100221321310213 - 2¹ = 100221321310211 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 (100221321310211) 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, 5728888093 + ... + 5728905586.

It is an arithmetic number, because the mean of its divisors is an integer number (25058194778160).

Almost surely, 2^{100221321310213} is an apocalyptic number.

It is an amenable number.

100221321310213 is a deficient number, since it is larger than the sum of its proper divisors (11457802427).

100221321310213 is an equidigital number, since it uses as much as digits as its factorization.

100221321310213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11457802426.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 100221321310213 its reverse (312013123122001), we get a palindrome (412234444432214).

The spelling of 100221321310213 in words is "one hundred trillion, two hundred twenty-one billion, three hundred twenty-one million, three hundred ten thousand, two hundred thirteen".