11332130221 has 2 divisors, whose sum is σ = 11332130222. Its totient is φ = 11332130220.

The previous prime is 11332130207. The next prime is 11332130231. The reversal of 11332130221 is 12203123311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8475227721 + 2856902500 = 92061^2 + 53450^2 .

It is a cyclic number.

It is not a de Polignac number, because 11332130221 - 2⁷ = 11332130093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11332130231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5666065110 + 5666065111.

It is an arithmetic number, because the mean of its divisors is an integer number (5666065111).

Almost surely, 2^11332130221 is an apocalyptic number.

It is an amenable number.

11332130221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11332130221 is an equidigital number, since it uses as much as digits as its factorization.

11332130221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11332130221 its reverse (12203123311), we get a palindrome (23535253532).

The spelling of 11332130221 in words is "eleven billion, three hundred thirty-two million, one hundred thirty thousand, two hundred twenty-one".