111211034449 has 2 divisors, whose sum is σ = 111211034450. Its totient is φ = 111211034448.

The previous prime is 111211034419. The next prime is 111211034471. The reversal of 111211034449 is 944430112111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85165916224 + 26045118225 = 291832^2 + 161385^2 .

It is a cyclic number.

It is not a de Polignac number, because 111211034449 - 2¹³ = 111211026257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111211034449.

It is not a weakly prime, because it can be changed into another prime (111211034419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55605517224 + 55605517225.

It is an arithmetic number, because the mean of its divisors is an integer number (55605517225).

Almost surely, 2^111211034449 is an apocalyptic number.

It is an amenable number.

111211034449 is a deficient number, since it is larger than the sum of its proper divisors (1).

111211034449 is an equidigital number, since it uses as much as digits as its factorization.

111211034449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 111211034449 in words is "one hundred eleven billion, two hundred eleven million, thirty-four thousand, four hundred forty-nine".