100111201211 has 12 divisors (see below), whose sum is σ = 118194038568. Its totient is φ = 84528857952.

The previous prime is 100111201193. The next prime is 100111201219. The reversal of 100111201211 is 112102111001.

It is not a de Polignac number, because 100111201211 - 2⁶ = 100111201147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100111201192 and 100111201201.

It is not an unprimeable number, because it can be changed into a prime (100111201219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15243626 + ... + 15250191.

It is an arithmetic number, because the mean of its divisors is an integer number (9849503214).

Almost surely, 2^100111201211 is an apocalyptic number.

100111201211 is a deficient number, since it is larger than the sum of its proper divisors (18082837357).

100111201211 is an equidigital number, since it uses as much as digits as its factorization.

100111201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30493898 (or 30493891 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100111201211 its reverse (112102111001), we get a palindrome (212213312212).

The spelling of 100111201211 in words is "one hundred billion, one hundred eleven million, two hundred one thousand, two hundred eleven".