2201211212211 has 32 divisors (see below), whose sum is σ = 3766778553600. Its totient is φ = 1255592845440.

The previous prime is 2201211212209. The next prime is 2201211212237. The reversal of 2201211212211 is 1122121121022.

2201211212211 is a `hidden beast` number, since 220 + 1 + 21 + 1 + 212 + 211 = 666.

It is not a de Polignac number, because 2201211212211 - 2¹ = 2201211212209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2201211212261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217979821 + ... + 217989918.

It is an arithmetic number, because the mean of its divisors is an integer number (117711829800).

Almost surely, 2^{2201211212211} is an apocalyptic number.

2201211212211 is a deficient number, since it is larger than the sum of its proper divisors (1565567341389).

2201211212211 is a wasteful number, since it uses less digits than its factorization.

2201211212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435969776 (or 435969770 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2201211212211 its reverse (1122121121022), we get a palindrome (3323332333233).

The spelling of 2201211212211 in words is "two trillion, two hundred one billion, two hundred eleven million, two hundred twelve thousand, two hundred eleven".