11001013213 has 2 divisors, whose sum is σ = 11001013214. Its totient is φ = 11001013212.

The previous prime is 11001013193. The next prime is 11001013249. The reversal of 11001013213 is 31231010011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10895601924 + 105411289 = 104382^2 + 10267^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001013213 - 2⁵ = 11001013181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11001013193 and 11001013202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11001019213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500506606 + 5500506607.

It is an arithmetic number, because the mean of its divisors is an integer number (5500506607).

Almost surely, 2^11001013213 is an apocalyptic number.

It is an amenable number.

11001013213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001013213 is an equidigital number, since it uses as much as digits as its factorization.

11001013213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11001013213 its reverse (31231010011), we get a palindrome (42232023224).

The spelling of 11001013213 in words is "eleven billion, one million, thirteen thousand, two hundred thirteen".