11031322121213 has 2 divisors, whose sum is σ = 11031322121214. Its totient is φ = 11031322121212.

The previous prime is 11031322121203. The next prime is 11031322121231. The reversal of 11031322121213 is 31212122313011.

It is a happy number.

Together with next prime (11031322121231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9881447649529 + 1149874471684 = 3143477^2 + 1072322^2 .

It is a cyclic number.

It is not a de Polignac number, because 11031322121213 - 2⁴² = 6633275610109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11031322121203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515661060606 + 5515661060607.

It is an arithmetic number, because the mean of its divisors is an integer number (5515661060607).

Almost surely, 2^{11031322121213} is an apocalyptic number.

It is an amenable number.

11031322121213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031322121213 is an equidigital number, since it uses as much as digits as its factorization.

11031322121213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11031322121213 its reverse (31212122313011), we get a palindrome (42243444434224).

The spelling of 11031322121213 in words is "eleven trillion, thirty-one billion, three hundred twenty-two million, one hundred twenty-one thousand, two hundred thirteen".