11331003112021 has 2 divisors, whose sum is σ = 11331003112022. Its totient is φ = 11331003112020.

The previous prime is 11331003112007. The next prime is 11331003112031. The reversal of 11331003112021 is 12021130013311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8237674918225 + 3093328193796 = 2870135^2 + 1758786^2 .

It is an emirp because it is prime and its reverse (12021130013311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11331003112021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11331003112021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331003112031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665501556010 + 5665501556011.

It is an arithmetic number, because the mean of its divisors is an integer number (5665501556011).

Almost surely, 2^{11331003112021} is an apocalyptic number.

It is an amenable number.

11331003112021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331003112021 is an equidigital number, since it uses as much as digits as its factorization.

11331003112021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 11331003112021 its reverse (12021130013311), we get a palindrome (23352133125332).

The spelling of 11331003112021 in words is "eleven trillion, three hundred thirty-one billion, three million, one hundred twelve thousand, twenty-one".