11332001221 has 8 divisors (see below), whose sum is σ = 11503439424. Its totient is φ = 11160891840.

The previous prime is 11332001207. The next prime is 11332001251. The reversal of 11332001221 is 12210023311.

11332001221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11332001221 - 2²⁹ = 10795130309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11332001195 and 11332001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11332001251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12315 + ... + 151048.

It is an arithmetic number, because the mean of its divisors is an integer number (1437929928).

Almost surely, 2^11332001221 is an apocalyptic number.

It is an amenable number.

11332001221 is a deficient number, since it is larger than the sum of its proper divisors (171438203).

11332001221 is an equidigital number, since it uses as much as digits as its factorization.

11332001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164411.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11332001221 its reverse (12210023311), we get a palindrome (23542024532).

The spelling of 11332001221 in words is "eleven billion, three hundred thirty-two million, one thousand, two hundred twenty-one".