197110099 has 2 divisors, whose sum is σ = 197110100. Its totient is φ = 197110098.

The previous prime is 197110079. The next prime is 197110139. The reversal of 197110099 is 990011791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 197110099 - 2¹⁹ = 196585811 is a prime.

It is a super-2 number, since 2×197110099² = 77704782255579602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (197110079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98555049 + 98555050.

It is an arithmetic number, because the mean of its divisors is an integer number (98555050).

Almost surely, 2^197110099 is an apocalyptic number.

197110099 is a deficient number, since it is larger than the sum of its proper divisors (1).

197110099 is an equidigital number, since it uses as much as digits as its factorization.

197110099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 37.

The square root of 197110099 is about 14039.5904142535. The cubic root of 197110099 is about 581.9731637386.

The spelling of 197110099 in words is "one hundred ninety-seven million, one hundred ten thousand, ninety-nine".