1110020011 has 4 divisors (see below), whose sum is σ = 1112245000. Its totient is φ = 1107795024.

The previous prime is 1110019973. The next prime is 1110020027. The reversal of 1110020011 is 1100200111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1110020011 - 2¹¹ = 1110017963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110019976 and 1110020003.

It is not an unprimeable number, because it can be changed into a prime (1110020081) 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, 1111746 + ... + 1112743.

It is an arithmetic number, because the mean of its divisors is an integer number (278061250).

Almost surely, 2^1110020011 is an apocalyptic number.

1110020011 is a deficient number, since it is larger than the sum of its proper divisors (2224989).

1110020011 is an equidigital number, since it uses as much as digits as its factorization.

1110020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224988.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1110020011 is about 33316.9628117570. The cubic root of 1110020011 is about 1035.4050274427.

Adding to 1110020011 its reverse (1100200111), we get a palindrome (2210220122).

The spelling of 1110020011 in words is "one billion, one hundred ten million, twenty thousand, eleven".