100111002011 has 4 divisors (see below), whose sum is σ = 100310030352. Its totient is φ = 99911973672.

The previous prime is 100111002001. The next prime is 100111002073. The reversal of 100111002011 is 110200111001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110200111001 = 26261 ⋅4196341.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100111002011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100111002011.

It is not an unprimeable number, because it can be changed into a prime (100111002001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99513416 + ... + 99514421.

It is an arithmetic number, because the mean of its divisors is an integer number (25077507588).

Almost surely, 2^100111002011 is an apocalyptic number.

100111002011 is a deficient number, since it is larger than the sum of its proper divisors (199028341).

100111002011 is an equidigital number, since it uses as much as digits as its factorization.

100111002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199028340.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 100111002011 its reverse (110200111001), we get a palindrome (210311113012).

The spelling of 100111002011 in words is "one hundred billion, one hundred eleven million, two thousand, eleven".