11123331023201 has 4 divisors (see below), whose sum is σ = 11123874201600. Its totient is φ = 11122787844804.

The previous prime is 11123331023179. The next prime is 11123331023213. The reversal of 11123331023201 is 10232013332111.

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 11123331023201 - 2¹⁸ = 11123330761057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11123331023401) 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, 271558481 + ... + 271599438.

It is an arithmetic number, because the mean of its divisors is an integer number (2780968550400).

Almost surely, 2^{11123331023201} is an apocalyptic number.

It is an amenable number.

11123331023201 is a deficient number, since it is larger than the sum of its proper divisors (543178399).

11123331023201 is an equidigital number, since it uses as much as digits as its factorization.

11123331023201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543178398.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 11123331023201 its reverse (10232013332111), we get a palindrome (21355344355312).

The spelling of 11123331023201 in words is "eleven trillion, one hundred twenty-three billion, three hundred thirty-one million, twenty-three thousand, two hundred one".