111011010073 has 2 divisors, whose sum is σ = 111011010074. Its totient is φ = 111011010072.

The previous prime is 111011010059. The next prime is 111011010101. The reversal of 111011010073 is 370010110111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103450359769 + 7560650304 = 321637^2 + 86952^2 .

It is an emirp because it is prime and its reverse (370010110111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111011010073 is a prime.

It is not a weakly prime, because it can be changed into another prime (111011010373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505505036 + 55505505037.

It is an arithmetic number, because the mean of its divisors is an integer number (55505505037).

Almost surely, 2^111011010073 is an apocalyptic number.

It is an amenable number.

111011010073 is a deficient number, since it is larger than the sum of its proper divisors (1).

111011010073 is an equidigital number, since it uses as much as digits as its factorization.

111011010073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21, while the sum is 16.

Adding to 111011010073 its reverse (370010110111), we get a palindrome (481021120184).

The spelling of 111011010073 in words is "one hundred eleven billion, eleven million, ten thousand, seventy-three".