102001303221 has 4 divisors (see below), whose sum is σ = 136001737632. Its totient is φ = 68000868812.

The previous prime is 102001303207. The next prime is 102001303231. The reversal of 102001303221 is 122303100201.

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 102001303221 - 2¹⁷ = 102001172149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102001303221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001303231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17000217201 + ... + 17000217206.

It is an arithmetic number, because the mean of its divisors is an integer number (34000434408).

Almost surely, 2^102001303221 is an apocalyptic number.

It is an amenable number.

102001303221 is a deficient number, since it is larger than the sum of its proper divisors (34000434411).

102001303221 is an equidigital number, since it uses as much as digits as its factorization.

102001303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34000434410.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 102001303221 its reverse (122303100201), we get a palindrome (224304403422).

The spelling of 102001303221 in words is "one hundred two billion, one million, three hundred three thousand, two hundred twenty-one".