11002312001 has 4 divisors (see below), whose sum is σ = 11381702100. Its totient is φ = 10622921904.

The previous prime is 11002311973. The next prime is 11002312033. The reversal of 11002312001 is 10021320011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10021320011 = 29 ⋅345562759.

It can be written as a sum of positive squares in 2 ways, for example, as 4311235600 + 6691076401 = 65660^2 + 81799^2 .

It is a cyclic number.

It is not a de Polignac number, because 11002312001 - 2³⁰ = 9928570177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11002302001) 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, 189695006 + ... + 189695063.

It is an arithmetic number, because the mean of its divisors is an integer number (2845425525).

Almost surely, 2^11002312001 is an apocalyptic number.

It is an amenable number.

11002312001 is a deficient number, since it is larger than the sum of its proper divisors (379390099).

11002312001 is an equidigital number, since it uses as much as digits as its factorization.

11002312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379390098.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11002312001 its reverse (10021320011), we get a palindrome (21023632012).

The spelling of 11002312001 in words is "eleven billion, two million, three hundred twelve thousand, one".