11110020111 has 6 divisors (see below), whose sum is σ = 16047806840. Its totient is φ = 7406680068.

The previous prime is 11110020109. The next prime is 11110020137. The reversal of 11110020111 is 11102001111.

11110020111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11110020111 - 2¹ = 11110020109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1234446679 = 11110020111 / (1 + 1 + 1 + 1 + 0 + 0 + 2 + 0 + 1 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11110020093 and 11110020102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110020101) 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 5 ways as a sum of consecutive naturals, for example, 617223331 + ... + 617223348.

Almost surely, 2^11110020111 is an apocalyptic number.

11110020111 is a deficient number, since it is larger than the sum of its proper divisors (4937786729).

11110020111 is a wasteful number, since it uses less digits than its factorization.

11110020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234446685 (or 1234446682 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11110020111 its reverse (11102001111), we get a palindrome (22212021222).

The spelling of 11110020111 in words is "eleven billion, one hundred ten million, twenty thousand, one hundred eleven".