20111100119 has 12 divisors (see below), whose sum is σ = 22867855080. Its totient is φ = 17652373200.

The previous prime is 20111100089. The next prime is 20111100133. The reversal of 20111100119 is 91100111102.

It is a happy number.

It is not a de Polignac number, because 20111100119 - 2⁸ = 20111099863 is a prime.

It is a super-2 number, since 2×20111100119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20111100097 and 20111100106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111100619) 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 11 ways as a sum of consecutive naturals, for example, 2862137 + ... + 2869154.

It is an arithmetic number, because the mean of its divisors is an integer number (1905654590).

Almost surely, 2^20111100119 is an apocalyptic number.

20111100119 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

20111100119 is a deficient number, since it is larger than the sum of its proper divisors (2756754961).

20111100119 is a wasteful number, since it uses less digits than its factorization.

20111100119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5731342 (or 5731331 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 17.

The spelling of 20111100119 in words is "twenty billion, one hundred eleven million, one hundred thousand, one hundred nineteen".