12221001202211 has 16 divisors (see below), whose sum is σ = 13202304687360. Its totient is φ = 11277818539680.

The previous prime is 12221001202181. The next prime is 12221001202217. The reversal of 12221001202211 is 11220210012221.

It is a cyclic number.

It is not a de Polignac number, because 12221001202211 - 2⁴² = 7822954691107 is a prime.

It is a super-2 number, since 2×12221001202211² (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 12221001202211.

It is not an unprimeable number, because it can be changed into a prime (12221001202217) 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, 6235085 + ... + 7957278.

It is an arithmetic number, because the mean of its divisors is an integer number (825144042960).

Almost surely, 2^{12221001202211} is an apocalyptic number.

12221001202211 is a deficient number, since it is larger than the sum of its proper divisors (981303485149).

12221001202211 is a wasteful number, since it uses less digits than its factorization.

12221001202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14193706.

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

Adding to 12221001202211 its reverse (11220210012221), we get a palindrome (23441211214432).

The spelling of 12221001202211 in words is "twelve trillion, two hundred twenty-one billion, one million, two hundred two thousand, two hundred eleven".