111000012073 has 2 divisors, whose sum is σ = 111000012074. Its totient is φ = 111000012072.

The previous prime is 111000012059. The next prime is 111000012107. The reversal of 111000012073 is 370210000111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108828731664 + 2171280409 = 329892^2 + 46597^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111000012073 is a prime.

It is a super-2 number, since 2×111000012073² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111000016073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500006036 + 55500006037.

It is an arithmetic number, because the mean of its divisors is an integer number (55500006037).

Almost surely, 2^111000012073 is an apocalyptic number.

It is an amenable number.

111000012073 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000012073 is an equidigital number, since it uses as much as digits as its factorization.

111000012073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 16.

Adding to 111000012073 its reverse (370210000111), we get a palindrome (481210012184).

The spelling of 111000012073 in words is "one hundred eleven billion, twelve thousand, seventy-three".