2111302221323 has 4 divisors (see below), whose sum is σ = 2122019491680. Its totient is φ = 2100584950968.

The previous prime is 2111302221311. The next prime is 2111302221331. The reversal of 2111302221323 is 3231222031112.

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 2111302221323 - 2⁴ = 2111302221307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111302221823) 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, 5358634883 + ... + 5358635276.

It is an arithmetic number, because the mean of its divisors is an integer number (530504872920).

Almost surely, 2^{2111302221323} is an apocalyptic number.

2111302221323 is a deficient number, since it is larger than the sum of its proper divisors (10717270357).

2111302221323 is a wasteful number, since it uses less digits than its factorization.

2111302221323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10717270356.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2111302221323 its reverse (3231222031112), we get a palindrome (5342524252435).

The spelling of 2111302221323 in words is "two trillion, one hundred eleven billion, three hundred two million, two hundred twenty-one thousand, three hundred twenty-three".