1002102223321 has 4 divisors (see below), whose sum is σ = 1002137031652. Its totient is φ = 1002067414992.

The previous prime is 1002102223303. The next prime is 1002102223333. The reversal of 1002102223321 is 1233222012001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 507604951296 + 494497272025 = 712464^2 + 703205^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002102223321 - 2¹³ = 1002102215129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002102223721) 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, 17360946 + ... + 17418571.

It is an arithmetic number, because the mean of its divisors is an integer number (250534257913).

Almost surely, 2^{1002102223321} is an apocalyptic number.

It is an amenable number.

1002102223321 is a deficient number, since it is larger than the sum of its proper divisors (34808331).

1002102223321 is an equidigital number, since it uses as much as digits as its factorization.

1002102223321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34808330.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1002102223321 its reverse (1233222012001), we get a palindrome (2235324235322).

The spelling of 1002102223321 in words is "one trillion, two billion, one hundred two million, two hundred twenty-three thousand, three hundred twenty-one".