2011321122223 has 8 divisors (see below), whose sum is σ = 2299458995840. Its totient is φ = 1723384819800.

The previous prime is 2011321122199. The next prime is 2011321122233. The reversal of 2011321122223 is 3222211231102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2011321122223 - 2⁵ = 2011321122191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011321122194 and 2011321122203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011321122233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50371413 + ... + 50411326.

It is an arithmetic number, because the mean of its divisors is an integer number (287432374480).

Almost surely, 2^{2011321122223} is an apocalyptic number.

2011321122223 is a deficient number, since it is larger than the sum of its proper divisors (288137873617).

2011321122223 is a wasteful number, since it uses less digits than its factorization.

2011321122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100785597.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2011321122223 its reverse (3222211231102), we get a palindrome (5233532353325).

The spelling of 2011321122223 in words is "two trillion, eleven billion, three hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-three".