111233121223099 has 4 divisors (see below), whose sum is σ = 111311289264736. Its totient is φ = 111154953181464.

The previous prime is 111233121223027. The next prime is 111233121223111. The reversal of 111233121223099 is 990322121332111.

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 111233121223099 - 2¹³ = 111233121214907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111233121223799) 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, 39084018684 + ... + 39084021529.

It is an arithmetic number, because the mean of its divisors is an integer number (27827822316184).

Almost surely, 2^{111233121223099} is an apocalyptic number.

111233121223099 is a deficient number, since it is larger than the sum of its proper divisors (78168041637).

111233121223099 is an equidigital number, since it uses as much as digits as its factorization.

111233121223099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78168041636.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 111233121223099 in words is "one hundred eleven trillion, two hundred thirty-three billion, one hundred twenty-one million, two hundred twenty-three thousand, ninety-nine".