100100212211 has 4 divisors (see below), whose sum is σ = 100323153000. Its totient is φ = 99877271424.

The previous prime is 100100212207. The next prime is 100100212213. The reversal of 100100212211 is 112212001001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100100212211 - 2² = 100100212207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100100212192 and 100100212201.

It is not an unprimeable number, because it can be changed into a prime (100100212213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111469721 + ... + 111470618.

It is an arithmetic number, because the mean of its divisors is an integer number (25080788250).

Almost surely, 2^100100212211 is an apocalyptic number.

100100212211 is a deficient number, since it is larger than the sum of its proper divisors (222940789).

100100212211 is an equidigital number, since it uses as much as digits as its factorization.

100100212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222940788.

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

Adding to 100100212211 its reverse (112212001001), we get a palindrome (212312213212).

The spelling of 100100212211 in words is "one hundred billion, one hundred million, two hundred twelve thousand, two hundred eleven".