11231200213 has 4 divisors (see below), whose sum is σ = 11231770048. Its totient is φ = 11230630380.

The previous prime is 11231200147. The next prime is 11231200291. The reversal of 11231200213 is 31200213211.

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 11231200213 - 2⁹ = 11231199701 is a prime.

It is a super-2 number, since 2×11231200213² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231200313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254253 + ... + 295138.

It is an arithmetic number, because the mean of its divisors is an integer number (2807942512).

Almost surely, 2^11231200213 is an apocalyptic number.

It is an amenable number.

11231200213 is a deficient number, since it is larger than the sum of its proper divisors (569835).

11231200213 is an equidigital number, since it uses as much as digits as its factorization.

11231200213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569834.

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

Adding to 11231200213 its reverse (31200213211), we get a palindrome (42431413424).

The spelling of 11231200213 in words is "eleven billion, two hundred thirty-one million, two hundred thousand, two hundred thirteen".