103331021021 has 4 divisors (see below), whose sum is σ = 103454181600. Its totient is φ = 103207860444.

The previous prime is 103331021011. The next prime is 103331021153. The reversal of 103331021021 is 120120133301.

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 103331021021 - 2¹⁰ = 103331019997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103331021011) 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, 61579031 + ... + 61580708.

It is an arithmetic number, because the mean of its divisors is an integer number (25863545400).

Almost surely, 2^103331021021 is an apocalyptic number.

It is an amenable number.

103331021021 is a deficient number, since it is larger than the sum of its proper divisors (123160579).

103331021021 is an equidigital number, since it uses as much as digits as its factorization.

103331021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123160578.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 103331021021 its reverse (120120133301), we get a palindrome (223451154322).

The spelling of 103331021021 in words is "one hundred three billion, three hundred thirty-one million, twenty-one thousand, twenty-one".