2211103322011 has 2 divisors, whose sum is σ = 2211103322012. Its totient is φ = 2211103322010.

The previous prime is 2211103321967. The next prime is 2211103322047. The reversal of 2211103322011 is 1102233011122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2211103322011 - 2²¹ = 2211101224859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2211103322011.

It is not a weakly prime, because it can be changed into another prime (2211103322411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105551661005 + 1105551661006.

It is an arithmetic number, because the mean of its divisors is an integer number (1105551661006).

Almost surely, 2^{2211103322011} is an apocalyptic number.

2211103322011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211103322011 is an equidigital number, since it uses as much as digits as its factorization.

2211103322011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2211103322011 its reverse (1102233011122), we get a palindrome (3313336333133).

The spelling of 2211103322011 in words is "two trillion, two hundred eleven billion, one hundred three million, three hundred twenty-two thousand, eleven".