103023221321 has 4 divisors (see below), whose sum is σ = 103048188672. Its totient is φ = 102998253972.

The previous prime is 103023221297. The next prime is 103023221359. The reversal of 103023221321 is 123122320301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 123122320301 = 167 ⋅737259403.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103023221321 is a prime.

It is a super-2 number, since 2×103023221321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103023221293 and 103023221302.

It is not an unprimeable number, because it can be changed into a prime (103023221621) 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, 12477485 + ... + 12485738.

It is an arithmetic number, because the mean of its divisors is an integer number (25762047168).

Almost surely, 2^103023221321 is an apocalyptic number.

It is an amenable number.

103023221321 is a deficient number, since it is larger than the sum of its proper divisors (24967351).

103023221321 is an equidigital number, since it uses as much as digits as its factorization.

103023221321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24967350.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 103023221321 its reverse (123122320301), we get a palindrome (226145541622).

The spelling of 103023221321 in words is "one hundred three billion, twenty-three million, two hundred twenty-one thousand, three hundred twenty-one".