100221222011 has 2 divisors, whose sum is σ = 100221222012. Its totient is φ = 100221222010.

The previous prime is 100221221953. The next prime is 100221222053. The reversal of 100221222011 is 110222122001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100221222011 is a prime.

It is not a weakly prime, because it can be changed into another prime (100221222811) 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, 50110611005 + 50110611006.

It is an arithmetic number, because the mean of its divisors is an integer number (50110611006).

Almost surely, 2^100221222011 is an apocalyptic number.

100221222011 is a deficient number, since it is larger than the sum of its proper divisors (1).

100221222011 is an equidigital number, since it uses as much as digits as its factorization.

100221222011 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 100221222011 its reverse (110222122001), we get a palindrome (210443344012).

The spelling of 100221222011 in words is "one hundred billion, two hundred twenty-one million, two hundred twenty-two thousand, eleven".