11123312401 has 4 divisors (see below), whose sum is σ = 11124312304. Its totient is φ = 11122312500.

The previous prime is 11123312359. The next prime is 11123312419. The reversal of 11123312401 is 10421332111.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10421332111 = 197 ⋅52900163.

It is a cyclic number.

It is not a de Polignac number, because 11123312401 - 2⁹ = 11123311889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11123412401) 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, 483075 + ... + 505576.

It is an arithmetic number, because the mean of its divisors is an integer number (2781078076).

Almost surely, 2^11123312401 is an apocalyptic number.

It is an amenable number.

11123312401 is a deficient number, since it is larger than the sum of its proper divisors (999903).

11123312401 is an equidigital number, since it uses as much as digits as its factorization.

11123312401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999902.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11123312401 its reverse (10421332111), we get a palindrome (21544644512).

The spelling of 11123312401 in words is "eleven billion, one hundred twenty-three million, three hundred twelve thousand, four hundred one".