219112097 has 2 divisors, whose sum is σ = 219112098. Its totient is φ = 219112096.

The previous prime is 219112079. The next prime is 219112141. The reversal of 219112097 is 790211912.

Together with previous prime (219112079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206180881 + 12931216 = 14359^2 + 3596^2 .

It is a cyclic number.

It is not a de Polignac number, because 219112097 - 2¹⁶ = 219046561 is a prime.

It is a super-2 number, since 2×219112097² = 96020222103474818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (219112027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109556048 + 109556049.

It is an arithmetic number, because the mean of its divisors is an integer number (109556049).

Almost surely, 2^219112097 is an apocalyptic number.

It is an amenable number.

219112097 is a deficient number, since it is larger than the sum of its proper divisors (1).

219112097 is an equidigital number, since it uses as much as digits as its factorization.

219112097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 219112097 is about 14802.4355090640. The cubic root of 219112097 is about 602.8678419280.

The spelling of 219112097 in words is "two hundred nineteen million, one hundred twelve thousand, ninety-seven".