11112111120073 has 2 divisors, whose sum is σ = 11112111120074. Its totient is φ = 11112111120072.

The previous prime is 11112111120029. The next prime is 11112111120119. The reversal of 11112111120073 is 37002111121111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7953059893689 + 3159051226384 = 2820117^2 + 1777372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11112111120073 is a prime.

It is not a weakly prime, because it can be changed into another prime (11112111120973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556055560036 + 5556055560037.

It is an arithmetic number, because the mean of its divisors is an integer number (5556055560037).

Almost surely, 2^{11112111120073} is an apocalyptic number.

It is an amenable number.

11112111120073 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112111120073 is an equidigital number, since it uses as much as digits as its factorization.

11112111120073 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 22.

Adding to 11112111120073 its reverse (37002111121111), we get a palindrome (48114222241184).

The spelling of 11112111120073 in words is "eleven trillion, one hundred twelve billion, one hundred eleven million, one hundred twenty thousand, seventy-three".