102010221331321 has 4 divisors (see below), whose sum is σ = 102813451420672. Its totient is φ = 101206991241972.

The previous prime is 102010221331309. The next prime is 102010221331339. The reversal of 102010221331321 is 123133122010201.

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 102010221331321 - 2¹⁷ = 102010221200249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102010221331292 and 102010221331301.

It is not an unprimeable number, because it can be changed into a prime (102010221331621) 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, 401615044485 + ... + 401615044738.

It is an arithmetic number, because the mean of its divisors is an integer number (25703362855168).

Almost surely, 2^{102010221331321} is an apocalyptic number.

It is an amenable number.

102010221331321 is a deficient number, since it is larger than the sum of its proper divisors (803230089351).

102010221331321 is an equidigital number, since it uses as much as digits as its factorization.

102010221331321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803230089350.

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

Adding to 102010221331321 its reverse (123133122010201), we get a palindrome (225143343341522).

The spelling of 102010221331321 in words is "one hundred two trillion, ten billion, two hundred twenty-one million, three hundred thirty-one thousand, three hundred twenty-one".