111100101099997 has 2 divisors, whose sum is σ = 111100101099998. Its totient is φ = 111100101099996.

The previous prime is 111100101099991. The next prime is 111100101100013. The reversal of 111100101099997 is 799990101001111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60621079690116 + 50479021409881 = 7785954^2 + 7104859^2 .

It is a cyclic number.

It is not a de Polignac number, because 111100101099997 - 2¹¹ = 111100101097949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111100101099997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111100101099991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550050549998 + 55550050549999.

It is an arithmetic number, because the mean of its divisors is an integer number (55550050549999).

Almost surely, 2^{111100101099997} is an apocalyptic number.

It is an amenable number.

111100101099997 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100101099997 is an equidigital number, since it uses as much as digits as its factorization.

111100101099997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45927, while the sum is 49.

The spelling of 111100101099997 in words is "one hundred eleven trillion, one hundred billion, one hundred one million, ninety-nine thousand, nine hundred ninety-seven".