110212232909 has 2 divisors, whose sum is σ = 110212232910. Its totient is φ = 110212232908.

The previous prime is 110212232849. The next prime is 110212232947. The reversal of 110212232909 is 909232212011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109240165225 + 972067684 = 330515^2 + 31178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110212232909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110212232989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55106116454 + 55106116455.

It is an arithmetic number, because the mean of its divisors is an integer number (55106116455).

Almost surely, 2^110212232909 is an apocalyptic number.

It is an amenable number.

110212232909 is a deficient number, since it is larger than the sum of its proper divisors (1).

110212232909 is an equidigital number, since it uses as much as digits as its factorization.

110212232909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 110212232909 in words is "one hundred ten billion, two hundred twelve million, two hundred thirty-two thousand, nine hundred nine".