2212110091 has 8 divisors (see below), whose sum is σ = 2364976224. Its totient is φ = 2061770880.

The previous prime is 2212110073. The next prime is 2212110097. The reversal of 2212110091 is 1900112122.

It is a happy number.

2212110091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2212110091 - 2⁹ = 2212109579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212110097) 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, 629920 + ... + 633421.

It is an arithmetic number, because the mean of its divisors is an integer number (295622028).

Almost surely, 2^2212110091 is an apocalyptic number.

2212110091 is a deficient number, since it is larger than the sum of its proper divisors (152866133).

2212110091 is a wasteful number, since it uses less digits than its factorization.

2212110091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263461.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 2212110091 is about 47033.0744370385. The cubic root of 2212110091 is about 1302.9734876444.

The spelling of 2212110091 in words is "two billion, two hundred twelve million, one hundred ten thousand, ninety-one".