2011221010211 has 24 divisors (see below), whose sum is σ = 2374762253760. Its totient is φ = 1697988256272.

The previous prime is 2011221010207. The next prime is 2011221010291. The reversal of 2011221010211 is 1120101221102.

It is not a de Polignac number, because 2011221010211 - 2² = 2011221010207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011221010291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35884736 + ... + 35940738.

It is an arithmetic number, because the mean of its divisors is an integer number (98948427240).

Almost surely, 2^{2011221010211} is an apocalyptic number.

2011221010211 is a deficient number, since it is larger than the sum of its proper divisors (363541243549).

2011221010211 is a wasteful number, since it uses less digits than its factorization.

2011221010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67023 (or 67016 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2011221010211 its reverse (1120101221102), we get a palindrome (3131322231313).

The spelling of 2011221010211 in words is "two trillion, eleven billion, two hundred twenty-one million, ten thousand, two hundred eleven".