2011110120011 has 4 divisors (see below), whose sum is σ = 2018370445632. Its totient is φ = 2003849794392.

The previous prime is 2011110119989. The next prime is 2011110120017. The reversal of 2011110120011 is 1100210111102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011110120011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011110119974 and 2011110120001.

It is not an unprimeable number, because it can be changed into a prime (2011110120017) 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, 3630162395 + ... + 3630162948.

It is an arithmetic number, because the mean of its divisors is an integer number (504592611408).

Almost surely, 2^{2011110120011} is an apocalyptic number.

2011110120011 is a deficient number, since it is larger than the sum of its proper divisors (7260325621).

2011110120011 is an equidigital number, since it uses as much as digits as its factorization.

2011110120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7260325620.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2011110120011 its reverse (1100210111102), we get a palindrome (3111320231113).

The spelling of 2011110120011 in words is "two trillion, eleven billion, one hundred ten million, one hundred twenty thousand, eleven".