110200991 has 2 divisors, whose sum is σ = 110200992. Its totient is φ = 110200990.

The previous prime is 110200949. The next prime is 110201011. The reversal of 110200991 is 199002011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110200991 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110200901) 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, 55100495 + 55100496.

It is an arithmetic number, because the mean of its divisors is an integer number (55100496).

Almost surely, 2^110200991 is an apocalyptic number.

110200991 is a deficient number, since it is larger than the sum of its proper divisors (1).

110200991 is an equidigital number, since it uses as much as digits as its factorization.

110200991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 110200991 is about 10497.6659786831. The cubic root of 110200991 is about 479.4336361048.

The spelling of 110200991 in words is "one hundred ten million, two hundred thousand, nine hundred ninety-one".