110101091819 has 2 divisors, whose sum is σ = 110101091820. Its totient is φ = 110101091818.

The previous prime is 110101091797. The next prime is 110101091831. The reversal of 110101091819 is 918190101011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 110101091819 - 2³⁶ = 41381615083 is a prime.

It is a super-2 number, since 2×110101091819² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110101091879) 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, 55050545909 + 55050545910.

It is an arithmetic number, because the mean of its divisors is an integer number (55050545910).

Almost surely, 2^110101091819 is an apocalyptic number.

110101091819 is a deficient number, since it is larger than the sum of its proper divisors (1).

110101091819 is an equidigital number, since it uses as much as digits as its factorization.

110101091819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 32.

The spelling of 110101091819 in words is "one hundred ten billion, one hundred one million, ninety-one thousand, eight hundred nineteen".