1002020132103 has 4 divisors (see below), whose sum is σ = 1336026842808. Its totient is φ = 668013421400.

The previous prime is 1002020132059. The next prime is 1002020132111. The reversal of 1002020132103 is 3012310202001.

1002020132103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1002020132103 - 2²¹ = 1002018034951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002020132143) 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, 167003355348 + ... + 167003355353.

It is an arithmetic number, because the mean of its divisors is an integer number (334006710702).

Almost surely, 2^{1002020132103} is an apocalyptic number.

1002020132103 is a deficient number, since it is larger than the sum of its proper divisors (334006710705).

1002020132103 is an equidigital number, since it uses as much as digits as its factorization.

1002020132103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334006710704.

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

Adding to 1002020132103 its reverse (3012310202001), we get a palindrome (4014330334104).

The spelling of 1002020132103 in words is "one trillion, two billion, twenty million, one hundred thirty-two thousand, one hundred three".