111110020011 has 12 divisors (see below), whose sum is σ = 160799126488. Its totient is φ = 73931711904.

The previous prime is 111110020003. The next prime is 111110020019. The reversal of 111110020011 is 110020011111.

It is an interprime number because it is at equal distance from previous prime (111110020003) and next prime (111110020019).

It is not a de Polignac number, because 111110020011 - 2³ = 111110020003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111110019975 and 111110020002.

It is not an unprimeable number, because it can be changed into a prime (111110020019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11797930 + ... + 11807343.

Almost surely, 2^111110020011 is an apocalyptic number.

111110020011 is a deficient number, since it is larger than the sum of its proper divisors (49689106477).

111110020011 is a wasteful number, since it uses less digits than its factorization.

111110020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23605802 (or 23605799 counting only the distinct ones).

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

Adding to 111110020011 its reverse (110020011111), we get a palindrome (221130031122).

It can be divided in two parts, 111 and 110020011, that multiplied together give a palindrome (12212221221).

The spelling of 111110020011 in words is "one hundred eleven billion, one hundred ten million, twenty thousand, eleven".