11113201213 has 4 divisors (see below), whose sum is σ = 11698106560. Its totient is φ = 10528295868.

The previous prime is 11113201163. The next prime is 11113201241. The reversal of 11113201213 is 31210231111.

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 11113201213 - 2²¹ = 11111104061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113201013) 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, 292452645 + ... + 292452682.

It is an arithmetic number, because the mean of its divisors is an integer number (2924526640).

Almost surely, 2^11113201213 is an apocalyptic number.

It is an amenable number.

11113201213 is a deficient number, since it is larger than the sum of its proper divisors (584905347).

11113201213 is an equidigital number, since it uses as much as digits as its factorization.

11113201213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584905346.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11113201213 its reverse (31210231111), we get a palindrome (42323432324).

The spelling of 11113201213 in words is "eleven billion, one hundred thirteen million, two hundred one thousand, two hundred thirteen".