111222101323 has 4 divisors (see below), whose sum is σ = 111558120088. Its totient is φ = 110886082560.

The previous prime is 111222101273. The next prime is 111222101329. The reversal of 111222101323 is 323101222111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323101222111 = 410143 ⋅787777.

It is a cyclic number.

It is not a de Polignac number, because 111222101323 - 2⁹ = 111222100811 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 111222101323.

It is not an unprimeable number, because it can be changed into a prime (111222101329) 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, 168008886 + ... + 168009547.

It is an arithmetic number, because the mean of its divisors is an integer number (27889530022).

Almost surely, 2^111222101323 is an apocalyptic number.

111222101323 is a deficient number, since it is larger than the sum of its proper divisors (336018765).

111222101323 is an equidigital number, since it uses as much as digits as its factorization.

111222101323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336018764.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111222101323 its reverse (323101222111), we get a palindrome (434323323434).

The spelling of 111222101323 in words is "one hundred eleven billion, two hundred twenty-two million, one hundred one thousand, three hundred twenty-three".