111864922801 has 4 divisors (see below), whose sum is σ = 111882836032. Its totient is φ = 111847009572.

The previous prime is 111864922777. The next prime is 111864922903. The reversal of 111864922801 is 108229468111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 108229468111 = 197 ⋅549388163.

It is a cyclic number.

It is not a de Polignac number, because 111864922801 - 2⁹ = 111864922289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111864920801) 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 3 ways as a sum of consecutive naturals, for example, 8947245 + ... + 8959738.

It is an arithmetic number, because the mean of its divisors is an integer number (27970709008).

Almost surely, 2^111864922801 is an apocalyptic number.

It is an amenable number.

111864922801 is a deficient number, since it is larger than the sum of its proper divisors (17913231).

111864922801 is an equidigital number, since it uses as much as digits as its factorization.

111864922801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17913230.

The product of its (nonzero) digits is 55296, while the sum is 43.

The spelling of 111864922801 in words is "one hundred eleven billion, eight hundred sixty-four million, nine hundred twenty-two thousand, eight hundred one".