11331132010021 has 2 divisors, whose sum is σ = 11331132010022. Its totient is φ = 11331132010020.

The previous prime is 11331132009973. The next prime is 11331132010061. The reversal of 11331132010021 is 12001023113311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11181332822500 + 149799187521 = 3343850^2 + 387039^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331132010021 - 2²⁷ = 11330997792293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331132010061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665566005010 + 5665566005011.

It is an arithmetic number, because the mean of its divisors is an integer number (5665566005011).

Almost surely, 2^{11331132010021} is an apocalyptic number.

It is an amenable number.

11331132010021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331132010021 is an equidigital number, since it uses as much as digits as its factorization.

11331132010021 is an evil number, because the sum of its binary digits is even.

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

Adding to 11331132010021 its reverse (12001023113311), we get a palindrome (23332155123332).

The spelling of 11331132010021 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-two million, ten thousand, twenty-one".