2011110222211 has 2 divisors, whose sum is σ = 2011110222212. Its totient is φ = 2011110222210.

The previous prime is 2011110222169. The next prime is 2011110222221. The reversal of 2011110222211 is 1122220111102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011110222211 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011110222221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005555111105 + 1005555111106.

It is an arithmetic number, because the mean of its divisors is an integer number (1005555111106).

Almost surely, 2^{2011110222211} is an apocalyptic number.

2011110222211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011110222211 is an equidigital number, since it uses as much as digits as its factorization.

2011110222211 is an evil number, because the sum of its binary digits is even.

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

Adding to 2011110222211 its reverse (1122220111102), we get a palindrome (3133330333313).

The spelling of 2011110222211 in words is "two trillion, eleven billion, one hundred ten million, two hundred twenty-two thousand, two hundred eleven".