2011331120223 has 4 divisors (see below), whose sum is σ = 2681774826968. Its totient is φ = 1340887413480.

The previous prime is 2011331120213. The next prime is 2011331120237. The reversal of 2011331120223 is 3220211331102.

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

It is not a de Polignac number, because 2011331120223 - 2⁹ = 2011331119711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2011331120223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011331120213) 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, 335221853368 + ... + 335221853373.

It is an arithmetic number, because the mean of its divisors is an integer number (670443706742).

Almost surely, 2^{2011331120223} is an apocalyptic number.

2011331120223 is a deficient number, since it is larger than the sum of its proper divisors (670443706745).

2011331120223 is an equidigital number, since it uses as much as digits as its factorization.

2011331120223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670443706744.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2011331120223 its reverse (3220211331102), we get a palindrome (5231542451325).

The spelling of 2011331120223 in words is "two trillion, eleven billion, three hundred thirty-one million, one hundred twenty thousand, two hundred twenty-three".