103203403121 has 32 divisors (see below), whose sum is σ = 133924304640. Its totient is φ = 77230796544.

The previous prime is 103203403103. The next prime is 103203403129. The reversal of 103203403121 is 121304302301.

It is a cyclic number.

It is not a de Polignac number, because 103203403121 - 2²² = 103199208817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103203403093 and 103203403102.

It is not an unprimeable number, because it can be changed into a prime (103203403129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1011191 + ... + 1108563.

It is an arithmetic number, because the mean of its divisors is an integer number (4185134520).

Almost surely, 2^103203403121 is an apocalyptic number.

It is an amenable number.

103203403121 is a deficient number, since it is larger than the sum of its proper divisors (30720901519).

103203403121 is a wasteful number, since it uses less digits than its factorization.

103203403121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98025.

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

Adding to 103203403121 its reverse (121304302301), we get a palindrome (224507705422).

The spelling of 103203403121 in words is "one hundred three billion, two hundred three million, four hundred three thousand, one hundred twenty-one".