111222134411 has 4 divisors (see below), whose sum is σ = 111234607992. Its totient is φ = 111209660832.

The previous prime is 111222134399. The next prime is 111222134417. The reversal of 111222134411 is 114431222111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114431222111 = 197609 ⋅579079.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111222134411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111222134417) 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, 6223406 + ... + 6241251.

It is an arithmetic number, because the mean of its divisors is an integer number (27808651998).

Almost surely, 2^111222134411 is an apocalyptic number.

111222134411 is a deficient number, since it is larger than the sum of its proper divisors (12473581).

111222134411 is an equidigital number, since it uses as much as digits as its factorization.

111222134411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12473580.

The product of its digits is 384, while the sum is 23.

Adding to 111222134411 its reverse (114431222111), we get a palindrome (225653356522).

The spelling of 111222134411 in words is "one hundred eleven billion, two hundred twenty-two million, one hundred thirty-four thousand, four hundred eleven".