220111112202011 has 2 divisors, whose sum is σ = 220111112202012. Its totient is φ = 220111112202010.

The previous prime is 220111112201989. The next prime is 220111112202019. The reversal of 220111112202011 is 110202211111022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220111112202011 is a prime.

It is not a weakly prime, because it can be changed into another prime (220111112202019) 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, 110055556101005 + 110055556101006.

It is an arithmetic number, because the mean of its divisors is an integer number (110055556101006).

Almost surely, 2^{220111112202011} is an apocalyptic number.

220111112202011 is a deficient number, since it is larger than the sum of its proper divisors (1).

220111112202011 is an equidigital number, since it uses as much as digits as its factorization.

220111112202011 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 220111112202011 its reverse (110202211111022), we get a palindrome (330313323313033).

The spelling of 220111112202011 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred twelve million, two hundred two thousand, eleven".