110000109576821 has 2 divisors, whose sum is σ = 110000109576822. Its totient is φ = 110000109576820.

The previous prime is 110000109576769. The next prime is 110000109576827. The reversal of 110000109576821 is 128675901000011.

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., 109630092852721 + 370016724100 = 10470439^2 + 608290^2 .

It is a cyclic number.

It is not a de Polignac number, because 110000109576821 - 2¹⁴ = 110000109560437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110000109576827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000054788410 + 55000054788411.

It is an arithmetic number, because the mean of its divisors is an integer number (55000054788411).

Almost surely, 2^{110000109576821} is an apocalyptic number.

It is an amenable number.

110000109576821 is a deficient number, since it is larger than the sum of its proper divisors (1).

110000109576821 is an equidigital number, since it uses as much as digits as its factorization.

110000109576821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 41.

The spelling of 110000109576821 in words is "one hundred ten trillion, one hundred nine million, five hundred seventy-six thousand, eight hundred twenty-one".