2112201010091 has 8 divisors (see below), whose sum is σ = 2176234244640. Its totient is φ = 2049063345472.

The previous prime is 2112201010057. The next prime is 2112201010093. The reversal of 2112201010091 is 1900101022112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112201010091 - 2¹⁸ = 2112200747947 is a prime.

It is a super-2 number, since 2×2112201010091² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112201010093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223887695 + ... + 223897128.

It is an arithmetic number, because the mean of its divisors is an integer number (272029280580).

Almost surely, 2^{2112201010091} is an apocalyptic number.

2112201010091 is a deficient number, since it is larger than the sum of its proper divisors (64033234549).

2112201010091 is an equidigital number, since it uses as much as digits as its factorization.

2112201010091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447784965.

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

The spelling of 2112201010091 in words is "two trillion, one hundred twelve billion, two hundred one million, ten thousand, ninety-one".