100221122211 has 16 divisors (see below), whose sum is σ = 153017952000. Its totient is φ = 57156693408.

The previous prime is 100221122179. The next prime is 100221122219. The reversal of 100221122211 is 112221122001.

It is not a de Polignac number, because 100221122211 - 2⁵ = 100221122179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100221122219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4677361 + ... + 4698738.

It is an arithmetic number, because the mean of its divisors is an integer number (9563622000).

Almost surely, 2^100221122211 is an apocalyptic number.

100221122211 is a deficient number, since it is larger than the sum of its proper divisors (52796829789).

100221122211 is an equidigital number, since it uses as much as digits as its factorization.

100221122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9376618.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100221122211 its reverse (112221122001), we get a palindrome (212442244212).

The spelling of 100221122211 in words is "one hundred billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred eleven".