111112020073 has 2 divisors, whose sum is σ = 111112020074. Its totient is φ = 111112020072.

The previous prime is 111112020017. The next prime is 111112020119. The reversal of 111112020073 is 370020211111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64073784384 + 47038235689 = 253128^2 + 216883^2 .

It is an emirp because it is prime and its reverse (370020211111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111112020073 - 2²⁹ = 110575149161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111112020073.

It is not a weakly prime, because it can be changed into another prime (111112020373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55556010036 + 55556010037.

It is an arithmetic number, because the mean of its divisors is an integer number (55556010037).

Almost surely, 2^111112020073 is an apocalyptic number.

It is an amenable number.

111112020073 is a deficient number, since it is larger than the sum of its proper divisors (1).

111112020073 is an equidigital number, since it uses as much as digits as its factorization.

111112020073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 19.

Adding to 111112020073 its reverse (370020211111), we get a palindrome (481132231184).

The spelling of 111112020073 in words is "one hundred eleven billion, one hundred twelve million, twenty thousand, seventy-three".