111222101099 has 4 divisors (see below), whose sum is σ = 111707787360. Its totient is φ = 110736414840.

The previous prime is 111222101083. The next prime is 111222101131. The reversal of 111222101099 is 990101222111.

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 111222101099 - 2⁴ = 111222101083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111222101059) 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, 242842787 + ... + 242843244.

It is an arithmetic number, because the mean of its divisors is an integer number (27926946840).

Almost surely, 2^111222101099 is an apocalyptic number.

111222101099 is a deficient number, since it is larger than the sum of its proper divisors (485686261).

111222101099 is an equidigital number, since it uses as much as digits as its factorization.

111222101099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485686260.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 111222101099 in words is "one hundred eleven billion, two hundred twenty-two million, one hundred one thousand, ninety-nine".