2011213320223 has 4 divisors (see below), whose sum is σ = 2098657377648. Its totient is φ = 1923769262800.

The previous prime is 2011213320197. The next prime is 2011213320251. The reversal of 2011213320223 is 3220233121102.

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-2011213320223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011213320194 and 2011213320203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011213327223) 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, 43722028678 + ... + 43722028723.

It is an arithmetic number, because the mean of its divisors is an integer number (524664344412).

Almost surely, 2^{2011213320223} is an apocalyptic number.

2011213320223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2011213320223 is a deficient number, since it is larger than the sum of its proper divisors (87444057425).

2011213320223 is an equidigital number, since it uses as much as digits as its factorization.

2011213320223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87444057424.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2011213320223 its reverse (3220233121102), we get a palindrome (5231446441325).

The spelling of 2011213320223 in words is "two trillion, eleven billion, two hundred thirteen million, three hundred twenty thousand, two hundred twenty-three".