103122320221 has 4 divisors (see below), whose sum is σ = 103141397632. Its totient is φ = 103103242812.

The previous prime is 103122320209. The next prime is 103122320237. The reversal of 103122320221 is 122023221301.

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: 122023221301 = 24019 ⋅5080279.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103122320221 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 (103122320281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9530595 + ... + 9541408.

It is an arithmetic number, because the mean of its divisors is an integer number (25785349408).

Almost surely, 2^103122320221 is an apocalyptic number.

It is an amenable number.

103122320221 is a deficient number, since it is larger than the sum of its proper divisors (19077411).

103122320221 is an equidigital number, since it uses as much as digits as its factorization.

103122320221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19077410.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 103122320221 its reverse (122023221301), we get a palindrome (225145541522).

The spelling of 103122320221 in words is "one hundred three billion, one hundred twenty-two million, three hundred twenty thousand, two hundred twenty-one".