11332420221 has 8 divisors (see below), whose sum is σ = 15365993760. Its totient is φ = 7426896752.

The previous prime is 11332420163. The next prime is 11332420271. The reversal of 11332420221 is 12202423311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11332420221 - 2⁶ = 11332420157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11332420271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32012310 + ... + 32012663.

It is an arithmetic number, because the mean of its divisors is an integer number (1920749220).

Almost surely, 2^11332420221 is an apocalyptic number.

It is an amenable number.

11332420221 is a deficient number, since it is larger than the sum of its proper divisors (4033573539).

11332420221 is an equidigital number, since it uses as much as digits as its factorization.

11332420221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64025035.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11332420221 its reverse (12202423311), we get a palindrome (23534843532).

The spelling of 11332420221 in words is "eleven billion, three hundred thirty-two million, four hundred twenty thousand, two hundred twenty-one".