12221101210211 has 16 divisors (see below), whose sum is σ = 13878042400800. Its totient is φ = 10691232634368.

The previous prime is 12221101210187. The next prime is 12221101210237. The reversal of 12221101210211 is 11201210112221.

It is a cyclic number.

It is not a de Polignac number, because 12221101210211 - 2²⁶ = 12221034101347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 12221101210211.

It is not an unprimeable number, because it can be changed into a prime (12221101212211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356928416 + ... + 356962653.

It is an arithmetic number, because the mean of its divisors is an integer number (867377650050).

Almost surely, 2^{12221101210211} is an apocalyptic number.

12221101210211 is a deficient number, since it is larger than the sum of its proper divisors (1656941190589).

12221101210211 is a wasteful number, since it uses less digits than its factorization.

12221101210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713891158.

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

Adding to 12221101210211 its reverse (11201210112221), we get a palindrome (23422311322432).

The spelling of 12221101210211 in words is "twelve trillion, two hundred twenty-one billion, one hundred one million, two hundred ten thousand, two hundred eleven".