211011020110091 has 8 divisors (see below), whose sum is σ = 222124035662400. Its totient is φ = 199898721796680.

The previous prime is 211011020110021. The next prime is 211011020110097. The reversal of 211011020110091 is 190011020110112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211011020110091 - 2²² = 211011015915787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211011020110097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178705781 + ... + 179882678.

It is an arithmetic number, because the mean of its divisors is an integer number (27765504457800).

Almost surely, 2^{211011020110091} is an apocalyptic number.

211011020110091 is a deficient number, since it is larger than the sum of its proper divisors (11113015552309).

211011020110091 is a wasteful number, since it uses less digits than its factorization.

211011020110091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358619449.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 211011020110091 in words is "two hundred eleven trillion, eleven billion, twenty million, one hundred ten thousand, ninety-one".