103121303221303 has 4 divisors (see below), whose sum is σ = 103122336673168. Its totient is φ = 103120269769440.

The previous prime is 103121303221301. The next prime is 103121303221337. The reversal of 103121303221303 is 303122303121301.

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 103121303221303 - 2¹ = 103121303221301 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 (103121303221301) 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, 516576243 + ... + 516775828.

It is an arithmetic number, because the mean of its divisors is an integer number (25780584168292).

Almost surely, 2^{103121303221303} is an apocalyptic number.

103121303221303 is a deficient number, since it is larger than the sum of its proper divisors (1033451865).

103121303221303 is an equidigital number, since it uses as much as digits as its factorization.

103121303221303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033451864.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 103121303221303 its reverse (303122303121301), we get a palindrome (406243606342604).

The spelling of 103121303221303 in words is "one hundred three trillion, one hundred twenty-one billion, three hundred three million, two hundred twenty-one thousand, three hundred three".