2011244455223 has 4 divisors (see below), whose sum is σ = 2012097764520. Its totient is φ = 2010391145928.

The previous prime is 2011244455201. The next prime is 2011244455229. The reversal of 2011244455223 is 3225544421102.

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 2011244455223 - 2⁶ = 2011244455159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011244455229) 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, 426651113 + ... + 426655826.

It is an arithmetic number, because the mean of its divisors is an integer number (503024441130).

Almost surely, 2^{2011244455223} is an apocalyptic number.

2011244455223 is a deficient number, since it is larger than the sum of its proper divisors (853309297).

2011244455223 is an equidigital number, since it uses as much as digits as its factorization.

2011244455223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853309296.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 2011244455223 its reverse (3225544421102), we get a palindrome (5236788876325).

The spelling of 2011244455223 in words is "two trillion, eleven billion, two hundred forty-four million, four hundred fifty-five thousand, two hundred twenty-three".