2201221211101 has 16 divisors (see below), whose sum is σ = 2543387059008. Its totient is φ = 1882805241600.

The previous prime is 2201221211099. The next prime is 2201221211159. The reversal of 2201221211101 is 1011121221022.

It is a cyclic number.

It is not a de Polignac number, because 2201221211101 - 2¹ = 2201221211099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201221211801) 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, 1255395 + ... + 2445088.

It is an arithmetic number, because the mean of its divisors is an integer number (158961691188).

Almost surely, 2^{2201221211101} is an apocalyptic number.

It is an amenable number.

2201221211101 is a deficient number, since it is larger than the sum of its proper divisors (342165847907).

2201221211101 is a wasteful number, since it uses less digits than its factorization.

2201221211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703692.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2201221211101 its reverse (1011121221022), we get a palindrome (3212342432123).

The spelling of 2201221211101 in words is "two trillion, two hundred one billion, two hundred twenty-one million, two hundred eleven thousand, one hundred one".