111323121299 has 16 divisors (see below), whose sum is σ = 123886237440. Its totient is φ = 99338503680.

The previous prime is 111323121281. The next prime is 111323121373. The reversal of 111323121299 is 992121323111.

It is a de Polignac number, because none of the positive numbers 2^k-111323121299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111323121229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230207 + ... + 525015.

It is an arithmetic number, because the mean of its divisors is an integer number (7742889840).

Almost surely, 2^111323121299 is an apocalyptic number.

111323121299 is a deficient number, since it is larger than the sum of its proper divisors (12563116141).

111323121299 is a wasteful number, since it uses less digits than its factorization.

111323121299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295790.

The product of its digits is 5832, while the sum is 35.

The spelling of 111323121299 in words is "one hundred eleven billion, three hundred twenty-three million, one hundred twenty-one thousand, two hundred ninety-nine".