111200269949 has 2 divisors, whose sum is σ = 111200269950. Its totient is φ = 111200269948.

The previous prime is 111200269919. The next prime is 111200269951. The reversal of 111200269949 is 949962002111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100736412100 + 10463857849 = 317390^2 + 102293^2 .

It is a cyclic number.

It is not a de Polignac number, because 111200269949 - 2¹⁶ = 111200204413 is a prime.

It is a Sophie Germain prime.

Together with 111200269951, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111200269919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600134974 + 55600134975.

It is an arithmetic number, because the mean of its divisors is an integer number (55600134975).

Almost surely, 2^111200269949 is an apocalyptic number.

It is an amenable number.

111200269949 is a deficient number, since it is larger than the sum of its proper divisors (1).

111200269949 is an equidigital number, since it uses as much as digits as its factorization.

111200269949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 44.

The spelling of 111200269949 in words is "one hundred eleven billion, two hundred million, two hundred sixty-nine thousand, nine hundred forty-nine".