111202240899 has 32 divisors (see below), whose sum is σ = 161506483200. Its totient is φ = 67789612800.

The previous prime is 111202240873. The next prime is 111202240901. The reversal of 111202240899 is 998042202111.

It is a Cunningham number, because it is equal to 333470²-1.

It is not a de Polignac number, because 111202240899 - 2⁵ = 111202240867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111202040899) 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 31 ways as a sum of consecutive naturals, for example, 6327174 + ... + 6344724.

It is an arithmetic number, because the mean of its divisors is an integer number (5047077600).

Almost surely, 2^111202240899 is an apocalyptic number.

111202240899 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

111202240899 is a deficient number, since it is larger than the sum of its proper divisors (50304242301).

111202240899 is a wasteful number, since it uses less digits than its factorization.

111202240899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21435.

The product of its (nonzero) digits is 20736, while the sum is 39.

It can be divided in two parts, 1112022 and 40899, that added together give a triangular number (1152921 = T₁₅₁₈).

The spelling of 111202240899 in words is "one hundred eleven billion, two hundred two million, two hundred forty thousand, eight hundred ninety-nine".