2011111100223 has 4 divisors (see below), whose sum is σ = 2681481466968. Its totient is φ = 1340740733480.

The previous prime is 2011111100213. The next prime is 2011111100233. The reversal of 2011111100223 is 3220011111102.

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

It is an interprime number because it is at equal distance from previous prime (2011111100213) and next prime (2011111100233).

It is a cyclic number.

It is not a de Polignac number, because 2011111100223 - 2¹⁶ = 2011111034687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011111100213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335185183368 + ... + 335185183373.

It is an arithmetic number, because the mean of its divisors is an integer number (670370366742).

Almost surely, 2^{2011111100223} is an apocalyptic number.

2011111100223 is a deficient number, since it is larger than the sum of its proper divisors (670370366745).

2011111100223 is an equidigital number, since it uses as much as digits as its factorization.

2011111100223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670370366744.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 2011111100223 its reverse (3220011111102), we get a palindrome (5231122211325).

The spelling of 2011111100223 in words is "two trillion, eleven billion, one hundred eleven million, one hundred thousand, two hundred twenty-three".