12220221011201 has 16 divisors (see below), whose sum is σ = 14297892178944. Its totient is φ = 10225774422864.

The previous prime is 12220221011197. The next prime is 12220221011203. The reversal of 12220221011201 is 10211012202221.

It is not a de Polignac number, because 12220221011201 - 2² = 12220221011197 is a prime.

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 12220221011201.

It is not an unprimeable number, because it can be changed into a prime (12220221011203) 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, 9531581 + ... + 10737386.

It is an arithmetic number, because the mean of its divisors is an integer number (893618261184).

Almost surely, 2^{12220221011201} is an apocalyptic number.

It is an amenable number.

12220221011201 is a deficient number, since it is larger than the sum of its proper divisors (2077671167743).

12220221011201 is a wasteful number, since it uses less digits than its factorization.

12220221011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20271020.

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

Adding to 12220221011201 its reverse (10211012202221), we get a palindrome (22431233213422).

The spelling of 12220221011201 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-one million, eleven thousand, two hundred one".