20110222002011 has 2 divisors, whose sum is σ = 20110222002012. Its totient is φ = 20110222002010.

The previous prime is 20110222001971. The next prime is 20110222002019. The reversal of 20110222002011 is 11020022201102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20110222002011 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20110222002019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055111001005 + 10055111001006.

It is an arithmetic number, because the mean of its divisors is an integer number (10055111001006).

Almost surely, 2^{20110222002011} is an apocalyptic number.

20110222002011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110222002011 is an equidigital number, since it uses as much as digits as its factorization.

20110222002011 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 14.

Adding to 20110222002011 its reverse (11020022201102), we get a palindrome (31130244203113).

The spelling of 20110222002011 in words is "twenty trillion, one hundred ten billion, two hundred twenty-two million, two thousand, eleven".