111101001100049 has 2 divisors, whose sum is σ = 111101001100050. Its totient is φ = 111101001100048.

The previous prime is 111101001100039. The next prime is 111101001100069. The reversal of 111101001100049 is 940001100101111.

It is an a-pointer prime, because the next prime (111101001100069) can be obtained adding 111101001100049 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76180288209424 + 34920712890625 = 8728132^2 + 5909375^2 .

It is an emirp because it is prime and its reverse (940001100101111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111101001100049 - 2⁴⁴ = 93508815055633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111101001100049.

It is not a weakly prime, because it can be changed into another prime (111101001100039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550500550024 + 55550500550025.

It is an arithmetic number, because the mean of its divisors is an integer number (55550500550025).

Almost surely, 2^{111101001100049} is an apocalyptic number.

It is an amenable number.

111101001100049 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101001100049 is an equidigital number, since it uses as much as digits as its factorization.

111101001100049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 111101001100049 in words is "one hundred eleven trillion, one hundred one billion, one million, one hundred thousand, forty-nine".