1002102221003 has 4 divisors (see below), whose sum is σ = 1079187007248. Its totient is φ = 925017434760.

The previous prime is 1002102220993. The next prime is 1002102221033. The reversal of 1002102221003 is 3001222012001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1002102221003 - 2⁸ = 1002102220747 is a prime.

It is a super-2 number, since 2×1002102221003² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002102221033) 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, 38542393103 + ... + 38542393128.

It is an arithmetic number, because the mean of its divisors is an integer number (269796751812).

Almost surely, 2^{1002102221003} is an apocalyptic number.

1002102221003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1002102221003 is a deficient number, since it is larger than the sum of its proper divisors (77084786245).

1002102221003 is an equidigital number, since it uses as much as digits as its factorization.

1002102221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77084786244.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1002102221003 its reverse (3001222012001), we get a palindrome (4003324233004).

The spelling of 1002102221003 in words is "one trillion, two billion, one hundred two million, two hundred twenty-one thousand, three".