12221100111201 has 8 divisors (see below), whose sum is σ = 16339200150144. Its totient is φ = 8125200073200.

The previous prime is 12221100111131. The next prime is 12221100111223. The reversal of 12221100111201 is 10211100112221.

It is a happy number.

12221100111201 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 de Polignac number, because none of the positive numbers 2^k-12221100111201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12221100119201) 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, 5549998950 + ... + 5550001151.

It is an arithmetic number, because the mean of its divisors is an integer number (2042400018768).

Almost surely, 2^{12221100111201} is an apocalyptic number.

It is an amenable number.

12221100111201 is a deficient number, since it is larger than the sum of its proper divisors (4118100038943).

12221100111201 is a wasteful number, since it uses less digits than its factorization.

12221100111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100000471.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12221100111201 its reverse (10211100112221), we get a palindrome (22432200223422).

The spelling of 12221100111201 in words is "twelve trillion, two hundred twenty-one billion, one hundred million, one hundred eleven thousand, two hundred one".