11331021130213 has 4 divisors (see below), whose sum is σ = 11343853544608. Its totient is φ = 11318188715820.

The previous prime is 11331021130159. The next prime is 11331021130277. The reversal of 11331021130213 is 31203112013311.

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 a de Polignac number, because none of the positive numbers 2^k-11331021130213 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 (11331021100213) 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, 6416205873 + ... + 6416207638.

It is an arithmetic number, because the mean of its divisors is an integer number (2835963386152).

Almost surely, 2^{11331021130213} is an apocalyptic number.

It is an amenable number.

11331021130213 is a deficient number, since it is larger than the sum of its proper divisors (12832414395).

11331021130213 is an equidigital number, since it uses as much as digits as its factorization.

11331021130213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12832414394.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 11331021130213 its reverse (31203112013311), we get a palindrome (42534133143524).

The spelling of 11331021130213 in words is "eleven trillion, three hundred thirty-one billion, twenty-one million, one hundred thirty thousand, two hundred thirteen".