11213232001 has 4 divisors (see below), whose sum is σ = 11223922500. Its totient is φ = 11202541504.

The previous prime is 11213231989. The next prime is 11213232013. The reversal of 11213232001 is 10023231211.

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

It is an interprime number because it is at equal distance from previous prime (11213231989) and next prime (11213232013).

It can be written as a sum of positive squares in 2 ways, for example, as 4825386225 + 6387845776 = 69465^2 + 79924^2 .

It is a cyclic number.

It is not a de Polignac number, because 11213232001 - 2²¹ = 11211134849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213232061) 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, 5343676 + ... + 5345773.

It is an arithmetic number, because the mean of its divisors is an integer number (2805980625).

Almost surely, 2^11213232001 is an apocalyptic number.

It is an amenable number.

11213232001 is a deficient number, since it is larger than the sum of its proper divisors (10690499).

11213232001 is a wasteful number, since it uses less digits than its factorization.

11213232001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10690498.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11213232001 its reverse (10023231211), we get a palindrome (21236463212).

The spelling of 11213232001 in words is "eleven billion, two hundred thirteen million, two hundred thirty-two thousand, one".