2211111011323 has 16 divisors (see below), whose sum is σ = 2298293222400. Its totient is φ = 2124681627040.

The previous prime is 2211111011293. The next prime is 2211111011363. The reversal of 2211111011323 is 3231101111122.

It is a cyclic number.

It is not a de Polignac number, because 2211111011323 - 2¹³ = 2211111003131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2211111011323.

It is not an unprimeable number, because it can be changed into a prime (2211111011363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5025618 + ... + 5447848.

It is an arithmetic number, because the mean of its divisors is an integer number (143643326400).

Almost surely, 2^{2211111011323} is an apocalyptic number.

2211111011323 is a deficient number, since it is larger than the sum of its proper divisors (87182211077).

2211111011323 is a wasteful number, since it uses less digits than its factorization.

2211111011323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423122.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 2211111011323 its reverse (3231101111122), we get a palindrome (5442212122445).

The spelling of 2211111011323 in words is "two trillion, two hundred eleven billion, one hundred eleven million, eleven thousand, three hundred twenty-three".