11213312001 has 4 divisors (see below), whose sum is σ = 14951082672. Its totient is φ = 7475541332.

The previous prime is 11213311981. The next prime is 11213312003. The reversal of 11213312001 is 10021331211.

It is a happy number.

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 11213312001 - 2⁷ = 11213311873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11213312003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1868885331 + ... + 1868885336.

It is an arithmetic number, because the mean of its divisors is an integer number (3737770668).

Almost surely, 2^11213312001 is an apocalyptic number.

It is an amenable number.

11213312001 is a deficient number, since it is larger than the sum of its proper divisors (3737770671).

11213312001 is an equidigital number, since it uses as much as digits as its factorization.

11213312001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737770670.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11213312001 its reverse (10021331211), we get a palindrome (21234643212).

The spelling of 11213312001 in words is "eleven billion, two hundred thirteen million, three hundred twelve thousand, one".