111122200013873 has 2 divisors, whose sum is σ = 111122200013874. Its totient is φ = 111122200013872.

The previous prime is 111122200013809. The next prime is 111122200013897. The reversal of 111122200013873 is 378310002221111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97861299045169 + 13260900968704 = 9892487^2 + 3641552^2 .

It is an emirp because it is prime and its reverse (378310002221111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111122200013873 - 2⁶ = 111122200013809 is a prime.

It is a super-2 number, since 2×111122200013873² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111122200013173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55561100006936 + 55561100006937.

It is an arithmetic number, because the mean of its divisors is an integer number (55561100006937).

Almost surely, 2^{111122200013873} is an apocalyptic number.

It is an amenable number.

111122200013873 is a deficient number, since it is larger than the sum of its proper divisors (1).

111122200013873 is an equidigital number, since it uses as much as digits as its factorization.

111122200013873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

Adding to 111122200013873 its reverse (378310002221111), we get a palindrome (489432202234984).

The spelling of 111122200013873 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred million, thirteen thousand, eight hundred seventy-three".