103043513121 has 4 divisors (see below), whose sum is σ = 137391350832. Its totient is φ = 68695675412.

The previous prime is 103043513077. The next prime is 103043513129. The reversal of 103043513121 is 121315340301.

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.

It is a cyclic number.

It is not a de Polignac number, because 103043513121 - 2¹¹ = 103043511073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103043513091 and 103043513100.

It is not an unprimeable number, because it can be changed into a prime (103043513129) 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, 17173918851 + ... + 17173918856.

It is an arithmetic number, because the mean of its divisors is an integer number (34347837708).

Almost surely, 2^103043513121 is an apocalyptic number.

It is an amenable number.

103043513121 is a deficient number, since it is larger than the sum of its proper divisors (34347837711).

103043513121 is an equidigital number, since it uses as much as digits as its factorization.

103043513121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34347837710.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 103043513121 its reverse (121315340301), we get a palindrome (224358853422).

The spelling of 103043513121 in words is "one hundred three billion, forty-three million, five hundred thirteen thousand, one hundred twenty-one".