103323220021 has 4 divisors (see below), whose sum is σ = 118083680032. Its totient is φ = 88562760012.

The previous prime is 103323219929. The next prime is 103323220031. The reversal of 103323220021 is 120022323301.

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 103323220021 - 2⁹ = 103323219509 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 (103323220031) 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, 7380229995 + ... + 7380230008.

It is an arithmetic number, because the mean of its divisors is an integer number (29520920008).

Almost surely, 2^103323220021 is an apocalyptic number.

It is an amenable number.

103323220021 is a deficient number, since it is larger than the sum of its proper divisors (14760460011).

103323220021 is an equidigital number, since it uses as much as digits as its factorization.

103323220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14760460010.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 103323220021 its reverse (120022323301), we get a palindrome (223345543322).

The spelling of 103323220021 in words is "one hundred three billion, three hundred twenty-three million, two hundred twenty thousand, twenty-one".