110001212002091 has 4 divisors (see below), whose sum is σ = 110084609434800. Its totient is φ = 109917814569384.

The previous prime is 110001212002069. The next prime is 110001212002133. The reversal of 110001212002091 is 190200212100011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 110001212002091 - 2¹⁰ = 110001212001067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110001212002391) 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 in 3 ways as a sum of consecutive naturals, for example, 41698714376 + ... + 41698717013.

It is an arithmetic number, because the mean of its divisors is an integer number (27521152358700).

Almost surely, 2^{110001212002091} is an apocalyptic number.

110001212002091 is a deficient number, since it is larger than the sum of its proper divisors (83397432709).

110001212002091 is an equidigital number, since it uses as much as digits as its factorization.

110001212002091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83397432708.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 110001212002091 in words is "one hundred ten trillion, one billion, two hundred twelve million, two thousand, ninety-one".