11301232311121 has 4 divisors (see below), whose sum is σ = 11486498414644. Its totient is φ = 11115966207600.

The previous prime is 11301232311079. The next prime is 11301232311151. The reversal of 11301232311121 is 12111323210311.

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 4245408872721 + 7055823438400 = 2060439^2 + 2656280^2 .

It is a cyclic number.

It is not a de Polignac number, because 11301232311121 - 2⁴³ = 2505139288913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11301232311092 and 11301232311101.

It is not an unprimeable number, because it can be changed into a prime (11301232311151) 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, 92633051670 + ... + 92633051791.

It is an arithmetic number, because the mean of its divisors is an integer number (2871624603661).

Almost surely, 2^{11301232311121} is an apocalyptic number.

It is an amenable number.

11301232311121 is a deficient number, since it is larger than the sum of its proper divisors (185266103523).

11301232311121 is an equidigital number, since it uses as much as digits as its factorization.

11301232311121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185266103522.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 11301232311121 its reverse (12111323210311), we get a palindrome (23412555521432).

The spelling of 11301232311121 in words is "eleven trillion, three hundred one billion, two hundred thirty-two million, three hundred eleven thousand, one hundred twenty-one".