111100243399 has 2 divisors, whose sum is σ = 111100243400. Its totient is φ = 111100243398.

The previous prime is 111100243379. The next prime is 111100243403. The reversal of 111100243399 is 993342001111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111100243399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111100243369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550121699 + 55550121700.

It is an arithmetic number, because the mean of its divisors is an integer number (55550121700).

Almost surely, 2^111100243399 is an apocalyptic number.

111100243399 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100243399 is an equidigital number, since it uses as much as digits as its factorization.

111100243399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 111100243399 in words is "one hundred eleven billion, one hundred million, two hundred forty-three thousand, three hundred ninety-nine".