111020010011 has 4 divisors (see below), whose sum is σ = 115846966992. Its totient is φ = 106193053032.

The previous prime is 111020009987. The next prime is 111020010041. The reversal of 111020010011 is 110010020111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110010020111 = 25229 ⋅4360459.

It is a cyclic number.

It is not a de Polignac number, because 111020010011 - 2²² = 111015815707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111020010041) 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, 2413478456 + ... + 2413478501.

It is an arithmetic number, because the mean of its divisors is an integer number (28961741748).

Almost surely, 2^111020010011 is an apocalyptic number.

111020010011 is a deficient number, since it is larger than the sum of its proper divisors (4826956981).

111020010011 is an equidigital number, since it uses as much as digits as its factorization.

111020010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4826956980.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 111020010011 its reverse (110010020111), we get a palindrome (221030030122).

It can be divided in two parts, 1110200 and 10011, that added together give a palindrome (1120211).

The spelling of 111020010011 in words is "one hundred eleven billion, twenty million, ten thousand, eleven".