103121221303 has 16 divisors (see below), whose sum is σ = 108048867840. Its totient is φ = 98231009184.

The previous prime is 103121221289. The next prime is 103121221321. The reversal of 103121221303 is 303122121301.

It is a cyclic number.

It is not a de Polignac number, because 103121221303 - 2⁹ = 103121220791 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 (103121221363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14400838 + ... + 14407996.

It is an arithmetic number, because the mean of its divisors is an integer number (6753054240).

Almost surely, 2^103121221303 is an apocalyptic number.

103121221303 is a deficient number, since it is larger than the sum of its proper divisors (4927646537).

103121221303 is a wasteful number, since it uses less digits than its factorization.

103121221303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9678.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 103121221303 its reverse (303122121301), we get a palindrome (406243342604).

The spelling of 103121221303 in words is "one hundred three billion, one hundred twenty-one million, two hundred twenty-one thousand, three hundred three".