12002330111221 has 4 divisors (see below), whose sum is σ = 12205759435200. Its totient is φ = 11798900787244.

The previous prime is 12002330111209. The next prime is 12002330111231. The reversal of 12002330111221 is 12211103320021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12002330111221 - 2¹¹ = 12002330109173 is a prime.

It is a super-2 number, since 2×12002330111221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002330111231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101714661901 + ... + 101714662018.

It is an arithmetic number, because the mean of its divisors is an integer number (3051439858800).

Almost surely, 2^{12002330111221} is an apocalyptic number.

It is an amenable number.

12002330111221 is a deficient number, since it is larger than the sum of its proper divisors (203429323979).

12002330111221 is an equidigital number, since it uses as much as digits as its factorization.

12002330111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203429323978.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12002330111221 its reverse (12211103320021), we get a palindrome (24213433431242).

The spelling of 12002330111221 in words is "twelve trillion, two billion, three hundred thirty million, one hundred eleven thousand, two hundred twenty-one".