100111001220211 has 8 divisors (see below), whose sum is σ = 101029873689360. Its totient is φ = 99192136440672.

The previous prime is 100111001220137. The next prime is 100111001220289. The reversal of 100111001220211 is 112022100111001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100111001220211 - 2²⁷ = 100110867002483 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100111001220191 and 100111001220200.

It is not an unprimeable number, because it can be changed into a prime (100111001224211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26101221 + ... + 29689993.

It is an arithmetic number, because the mean of its divisors is an integer number (12628734211170).

Almost surely, 2^{100111001220211} is an apocalyptic number.

100111001220211 is a deficient number, since it is larger than the sum of its proper divisors (918872469149).

100111001220211 is a wasteful number, since it uses less digits than its factorization.

100111001220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844805.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100111001220211 its reverse (112022100111001), we get a palindrome (212133101331212).

The spelling of 100111001220211 in words is "one hundred trillion, one hundred eleven billion, one million, two hundred twenty thousand, two hundred eleven".