11303232123121 has 4 divisors (see below), whose sum is σ = 11303286707700. Its totient is φ = 11303177538544.

The previous prime is 11303232123109. The next prime is 11303232123149. The reversal of 11303232123121 is 12132123230311.

11303232123121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3495538772496 + 7807693350625 = 1869636^2 + 2794225^2 .

It is a cyclic number.

It is not a de Polignac number, because 11303232123121 - 2¹⁷ = 11303231992049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11303232123101) 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, 26980486 + ... + 27396223.

It is an arithmetic number, because the mean of its divisors is an integer number (2825821676925).

Almost surely, 2^{11303232123121} is an apocalyptic number.

It is an amenable number.

11303232123121 is a deficient number, since it is larger than the sum of its proper divisors (54584579).

11303232123121 is an equidigital number, since it uses as much as digits as its factorization.

11303232123121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54584578.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 11303232123121 its reverse (12132123230311), we get a palindrome (23435355353432).

The spelling of 11303232123121 in words is "eleven trillion, three hundred three billion, two hundred thirty-two million, one hundred twenty-three thousand, one hundred twenty-one".