1002102020103 has 4 divisors (see below), whose sum is σ = 1336136026808. Its totient is φ = 668068013400.

The previous prime is 1002102020099. The next prime is 1002102020107. The reversal of 1002102020103 is 3010202012001.

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

It is an interprime number because it is at equal distance from previous prime (1002102020099) and next prime (1002102020107).

It is not a de Polignac number, because 1002102020103 - 2² = 1002102020099 is a prime.

It is a super-2 number, since 2×1002102020103² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002102020107) 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, 167017003348 + ... + 167017003353.

It is an arithmetic number, because the mean of its divisors is an integer number (334034006702).

Almost surely, 2^{1002102020103} is an apocalyptic number.

1002102020103 is a deficient number, since it is larger than the sum of its proper divisors (334034006705).

1002102020103 is an equidigital number, since it uses as much as digits as its factorization.

1002102020103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334034006704.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1002102020103 its reverse (3010202012001), we get a palindrome (4012304032104).

The spelling of 1002102020103 in words is "one trillion, two billion, one hundred two million, twenty thousand, one hundred three".