100001220011 has 32 divisors (see below), whose sum is σ = 125204631552. Its totient is φ = 77593692960.

The previous prime is 100001219947. The next prime is 100001220023. The reversal of 100001220011 is 110022100001.

It is not a de Polignac number, because 100001220011 - 2⁶ = 100001219947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100001210011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47915210 + ... + 47917296.

It is an arithmetic number, because the mean of its divisors is an integer number (3912644736).

Almost surely, 2^100001220011 is an apocalyptic number.

100001220011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100001220011 is a deficient number, since it is larger than the sum of its proper divisors (25203411541).

100001220011 is a wasteful number, since it uses less digits than its factorization.

100001220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100001220011 its reverse (110022100001), we get a palindrome (210023320012).

The spelling of 100001220011 in words is "one hundred billion, one million, two hundred twenty thousand, eleven".