2201221012211 has 16 divisors (see below), whose sum is σ = 2434159758240. Its totient is φ = 1977606554880.

The previous prime is 2201221012181. The next prime is 2201221012213. The reversal of 2201221012211 is 1122101221022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201221012211 is a prime.

It is a super-3 number, since 3×2201221012211³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 2201221012211.

It is not an unprimeable number, because it can be changed into a prime (2201221012213) 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, 4704920 + ... + 5151573.

It is an arithmetic number, because the mean of its divisors is an integer number (152134984890).

Almost surely, 2^{2201221012211} is an apocalyptic number.

2201221012211 is a deficient number, since it is larger than the sum of its proper divisors (232938746029).

2201221012211 is a wasteful number, since it uses less digits than its factorization.

2201221012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9856966.

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

Adding to 2201221012211 its reverse (1122101221022), we get a palindrome (3323322233233).

The spelling of 2201221012211 in words is "two trillion, two hundred one billion, two hundred twenty-one million, twelve thousand, two hundred eleven".