12211222010201 has 4 divisors (see below), whose sum is σ = 12299072528400. Its totient is φ = 12123371492004.

The previous prime is 12211222010179. The next prime is 12211222010233. The reversal of 12211222010201 is 10201022211221.

12211222010201 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 12211222010201 - 2¹⁰ = 12211222009177 is a prime.

It is a super-2 number, since 2×12211222010201² (a number of 27 digits) contains 22 as substring.

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 12211222010201.

It is not an unprimeable number, because it can be changed into a prime (12211222010291) 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, 43925258891 + ... + 43925259168.

It is an arithmetic number, because the mean of its divisors is an integer number (3074768132100).

Almost surely, 2^{12211222010201} is an apocalyptic number.

It is an amenable number.

12211222010201 is a deficient number, since it is larger than the sum of its proper divisors (87850518199).

12211222010201 is an equidigital number, since it uses as much as digits as its factorization.

12211222010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87850518198.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12211222010201 its reverse (10201022211221), we get a palindrome (22412244221422).

It can be divided in two parts, 1221122 and 2010201, that added together give a palindrome (3231323).

The spelling of 12211222010201 in words is "twelve trillion, two hundred eleven billion, two hundred twenty-two million, ten thousand, two hundred one".