210010201001091 has 8 divisors (see below), whose sum is σ = 311126223705360. Its totient is φ = 140006800667376.

The previous prime is 210010201001089. The next prime is 210010201001129. The reversal of 210010201001091 is 190100102010012.

It is a happy number.

It is not a de Polignac number, because 210010201001091 - 2¹ = 210010201001089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210010201021091) 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 7 ways as a sum of consecutive naturals, for example, 3889077796290 + ... + 3889077796343.

It is an arithmetic number, because the mean of its divisors is an integer number (38890777963170).

Almost surely, 2^{210010201001091} is an apocalyptic number.

210010201001091 is a deficient number, since it is larger than the sum of its proper divisors (101116022704269).

210010201001091 is an equidigital number, since it uses as much as digits as its factorization.

210010201001091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7778155592642 (or 7778155592636 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 210010201001091 in words is "two hundred ten trillion, ten billion, two hundred one million, one thousand, ninety-one".