100111111222011 has 48 divisors (see below), whose sum is σ = 141711762500352. Its totient is φ = 62816558857920.

The previous prime is 100111111221971. The next prime is 100111111222043. The reversal of 100111111222011 is 110222111111001.

It is not a de Polignac number, because 100111111222011 - 2²⁶ = 100111044113147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100111111222211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 262967146 + ... + 263347568.

It is an arithmetic number, because the mean of its divisors is an integer number (2952328385424).

Almost surely, 2^{100111111222011} is an apocalyptic number.

100111111222011 is a deficient number, since it is larger than the sum of its proper divisors (41600651278341).

100111111222011 is a wasteful number, since it uses less digits than its factorization.

100111111222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382992 (or 382961 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 100111111222011 its reverse (110222111111001), we get a palindrome (210333222333012).

The spelling of 100111111222011 in words is "one hundred trillion, one hundred eleven billion, one hundred eleven million, two hundred twenty-two thousand, eleven".