12221121011201 has 8 divisors (see below), whose sum is σ = 12422875111680. Its totient is φ = 12020543320032.

The previous prime is 12221121011167. The next prime is 12221121011207. The reversal of 12221121011201 is 10211012112221.

12221121011201 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 a de Polignac number, because none of the positive numbers 2^k-12221121011201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12221121011201.

It is not an unprimeable number, because it can be changed into a prime (12221121011207) 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, 294081380 + ... + 294122933.

It is an arithmetic number, because the mean of its divisors is an integer number (1552859388960).

Almost surely, 2^{12221121011201} is an apocalyptic number.

It is an amenable number.

12221121011201 is a deficient number, since it is larger than the sum of its proper divisors (201754100479).

12221121011201 is an equidigital number, since it uses as much as digits as its factorization.

12221121011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588204655.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12221121011201 its reverse (10211012112221), we get a palindrome (22432133123422).

The spelling of 12221121011201 in words is "twelve trillion, two hundred twenty-one billion, one hundred twenty-one million, eleven thousand, two hundred one".