100001001220211 has 16 divisors (see below), whose sum is σ = 130318046841024. Its totient is φ = 74467455335424.

The previous prime is 100001001220111. The next prime is 100001001220223. The reversal of 100001001220211 is 112022100100001.

It is a cyclic number.

It is not a de Polignac number, because 100001001220211 - 2¹⁴ = 100001001203827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100001001220192 and 100001001220201.

It is not an unprimeable number, because it can be changed into a prime (100001001220111) 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, 32320942610 + ... + 32320945703.

It is an arithmetic number, because the mean of its divisors is an integer number (8144877927564).

Almost surely, 2^{100001001220211} is an apocalyptic number.

100001001220211 is a deficient number, since it is larger than the sum of its proper divisors (30317045620813).

100001001220211 is a wasteful number, since it uses less digits than its factorization.

100001001220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64641888350.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100001001220211 its reverse (112022100100001), we get a palindrome (212023101320212).

The spelling of 100001001220211 in words is "one hundred trillion, one billion, one million, two hundred twenty thousand, two hundred eleven".