111000111109997 has 2 divisors, whose sum is σ = 111000111109998. Its totient is φ = 111000111109996.

The previous prime is 111000111109991. The next prime is 111000111110059. The reversal of 111000111109997 is 799901111000111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71765058473476 + 39235052636521 = 8471426^2 + 6263789^2 .

It is a cyclic number.

It is not a de Polignac number, because 111000111109997 - 2⁶ = 111000111109933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111000111109991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500055554998 + 55500055554999.

It is an arithmetic number, because the mean of its divisors is an integer number (55500055554999).

Almost surely, 2^{111000111109997} is an apocalyptic number.

It is an amenable number.

111000111109997 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000111109997 is an equidigital number, since it uses as much as digits as its factorization.

111000111109997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 41.

The spelling of 111000111109997 in words is "one hundred eleven trillion, one hundred eleven million, one hundred nine thousand, nine hundred ninety-seven".