2011320213223 has 4 divisors (see below), whose sum is σ = 2129633166960. Its totient is φ = 1893007259488.

The previous prime is 2011320213211. The next prime is 2011320213239. The reversal of 2011320213223 is 3223120231102.

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

It is a cyclic number.

It is not a de Polignac number, because 2011320213223 - 2⁹ = 2011320212711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011320213194 and 2011320213203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011320213263) 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, 59156476843 + ... + 59156476876.

It is an arithmetic number, because the mean of its divisors is an integer number (532408291740).

Almost surely, 2^{2011320213223} is an apocalyptic number.

2011320213223 is a deficient number, since it is larger than the sum of its proper divisors (118312953737).

2011320213223 is a wasteful number, since it uses less digits than its factorization.

2011320213223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118312953736.

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

Adding to 2011320213223 its reverse (3223120231102), we get a palindrome (5234440444325).

The spelling of 2011320213223 in words is "two trillion, eleven billion, three hundred twenty million, two hundred thirteen thousand, two hundred twenty-three".