100011111211 has 16 divisors (see below), whose sum is σ = 109665262080. Its totient is φ = 90451680480.

The previous prime is 100011111181. The next prime is 100011111217. The reversal of 100011111211 is 112111110001.

It is a cyclic number.

It is not a de Polignac number, because 100011111211 - 2⁹ = 100011110699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100011111217) 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 15 ways as a sum of consecutive naturals, for example, 1983070 + ... + 2032876.

It is an arithmetic number, because the mean of its divisors is an integer number (6854078880).

Almost surely, 2^100011111211 is an apocalyptic number.

100011111211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100011111211 is a deficient number, since it is larger than the sum of its proper divisors (9654150869).

100011111211 is a wasteful number, since it uses less digits than its factorization.

100011111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50754.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 100011111211 its reverse (112111110001), we get a palindrome (212122221212).

The spelling of 100011111211 in words is "one hundred billion, eleven million, one hundred eleven thousand, two hundred eleven".