11321221330037 has 2 divisors, whose sum is σ = 11321221330038. Its totient is φ = 11321221330036.

The previous prime is 11321221329989. The next prime is 11321221330039. The reversal of 11321221330037 is 73003312212311.

11321221330037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11311477468516 + 9743861521 = 3363254^2 + 98711^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321221330037 - 2¹⁰ = 11321221329013 is a prime.

Together with 11321221330039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11321221329991 and 11321221330009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11321221330039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660610665018 + 5660610665019.

It is an arithmetic number, because the mean of its divisors is an integer number (5660610665019).

Almost surely, 2^{11321221330037} is an apocalyptic number.

It is an amenable number.

11321221330037 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321221330037 is an equidigital number, since it uses as much as digits as its factorization.

11321221330037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

Adding to 11321221330037 its reverse (73003312212311), we get a palindrome (84324533542348).

The spelling of 11321221330037 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-one million, three hundred thirty thousand, thirty-seven".