2122221111011 has 2 divisors, whose sum is σ = 2122221111012. Its totient is φ = 2122221111010.

The previous prime is 2122221111007. The next prime is 2122221111029. The reversal of 2122221111011 is 1101111222212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122221111011 - 2² = 2122221111007 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122221911011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061110555505 + 1061110555506.

It is an arithmetic number, because the mean of its divisors is an integer number (1061110555506).

Almost surely, 2^{2122221111011} is an apocalyptic number.

2122221111011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122221111011 is an equidigital number, since it uses as much as digits as its factorization.

2122221111011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2122221111011 its reverse (1101111222212), we get a palindrome (3223332333223).

The spelling of 2122221111011 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred eleven thousand, eleven".