11323210012221 has 16 divisors (see below), whose sum is σ = 15679877832000. Its totient is φ = 7262259193728.

The previous prime is 11323210012207. The next prime is 11323210012241. The reversal of 11323210012221 is 12221001232311.

11323210012221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11323210012221 - 2¹⁵ = 11323209979453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323210012241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 573085071 + ... + 573104828.

It is an arithmetic number, because the mean of its divisors is an integer number (979992364500).

Almost surely, 2^{11323210012221} is an apocalyptic number.

It is an amenable number.

11323210012221 is a deficient number, since it is larger than the sum of its proper divisors (4356667819779).

11323210012221 is a wasteful number, since it uses less digits than its factorization.

11323210012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146190028.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11323210012221 its reverse (12221001232311), we get a palindrome (23544211244532).

The spelling of 11323210012221 in words is "eleven trillion, three hundred twenty-three billion, two hundred ten million, twelve thousand, two hundred twenty-one".