111200020049 has 2 divisors, whose sum is σ = 111200020050. Its totient is φ = 111200020048.

The previous prime is 111200019979. The next prime is 111200020069. The reversal of 111200020049 is 940020002111.

It is an a-pointer prime, because the next prime (111200020069) can be obtained adding 111200020049 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102804879424 + 8395140625 = 320632^2 + 91625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111200020049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111200020049.

It is not a weakly prime, because it can be changed into another prime (111200020069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600010024 + 55600010025.

It is an arithmetic number, because the mean of its divisors is an integer number (55600010025).

Almost surely, 2^111200020049 is an apocalyptic number.

It is an amenable number.

111200020049 is a deficient number, since it is larger than the sum of its proper divisors (1).

111200020049 is an equidigital number, since it uses as much as digits as its factorization.

111200020049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 111200020049 in words is "one hundred eleven billion, two hundred million, twenty thousand, forty-nine".