11213332201213 has 4 divisors (see below), whose sum is σ = 11213375021820. Its totient is φ = 11213289380608.

The previous prime is 11213332201147. The next prime is 11213332201219. The reversal of 11213332201213 is 31210223331211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6054537596409 + 5158794604804 = 2460597^2 + 2271298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11213332201213 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 (11213332201219) 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, 21015070 + ... + 21542047.

It is an arithmetic number, because the mean of its divisors is an integer number (2803343755455).

Almost surely, 2^{11213332201213} is an apocalyptic number.

It is an amenable number.

11213332201213 is a deficient number, since it is larger than the sum of its proper divisors (42820607).

11213332201213 is an equidigital number, since it uses as much as digits as its factorization.

11213332201213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42820606.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 11213332201213 its reverse (31210223331211), we get a palindrome (42423555532424).

The spelling of 11213332201213 in words is "eleven trillion, two hundred thirteen billion, three hundred thirty-two million, two hundred one thousand, two hundred thirteen".