12221001112201 has 4 divisors (see below), whose sum is σ = 13966858413952. Its totient is φ = 10475143810452.

The previous prime is 12221001112157. The next prime is 12221001112223. The reversal of 12221001112201 is 10221110012221.

12221001112201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12221001112201 - 2³³ = 12212411177609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221001172201) 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, 872928650865 + ... + 872928650878.

It is an arithmetic number, because the mean of its divisors is an integer number (3491714603488).

Almost surely, 2^{12221001112201} is an apocalyptic number.

It is an amenable number.

12221001112201 is a deficient number, since it is larger than the sum of its proper divisors (1745857301751).

12221001112201 is an equidigital number, since it uses as much as digits as its factorization.

12221001112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745857301750.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12221001112201 its reverse (10221110012221), we get a palindrome (22442111124422).

The spelling of 12221001112201 in words is "twelve trillion, two hundred twenty-one billion, one million, one hundred twelve thousand, two hundred one".