1020110011 has 4 divisors (see below), whose sum is σ = 1020187672. Its totient is φ = 1020032352.

The previous prime is 1020109991. The next prime is 1020110033. The reversal of 1020110011 is 1100110201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1020110011 - 2¹⁵ = 1020077243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020109976 and 1020110003.

It is not an unprimeable number, because it can be changed into a prime (1020110051) 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, 13710 + ... + 47203.

It is an arithmetic number, because the mean of its divisors is an integer number (255046918).

Almost surely, 2^1020110011 is an apocalyptic number.

1020110011 is a deficient number, since it is larger than the sum of its proper divisors (77661).

1020110011 is an equidigital number, since it uses as much as digits as its factorization.

1020110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77660.

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

The square root of 1020110011 is about 31939.1610879184. The cubic root of 1020110011 is about 1006.6588976614.

Adding to 1020110011 its reverse (1100110201), we get a palindrome (2120220212).

The spelling of 1020110011 in words is "one billion, twenty million, one hundred ten thousand, eleven".