11323211201 has 4 divisors (see below), whose sum is σ = 11363222832. Its totient is φ = 11283199572.

The previous prime is 11323211197. The next prime is 11323211219. The reversal of 11323211201 is 10211232311.

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 11323211201 - 2² = 11323211197 is a prime.

It is a super-2 number, since 2×11323211201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11323211201.

It is not an unprimeable number, because it can be changed into a prime (11323211261) 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, 20005391 + ... + 20005956.

It is an arithmetic number, because the mean of its divisors is an integer number (2840805708).

Almost surely, 2^11323211201 is an apocalyptic number.

It is an amenable number.

11323211201 is a deficient number, since it is larger than the sum of its proper divisors (40011631).

11323211201 is an equidigital number, since it uses as much as digits as its factorization.

11323211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40011630.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11323211201 its reverse (10211232311), we get a palindrome (21534443512).

The spelling of 11323211201 in words is "eleven billion, three hundred twenty-three million, two hundred eleven thousand, two hundred one".