2201121079 has 4 divisors (see below), whose sum is σ = 2208899176. Its totient is φ = 2193342984.

The previous prime is 2201121077. The next prime is 2201121103. The reversal of 2201121079 is 9701211022.

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 2201121079 - 2¹ = 2201121077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201121071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3888624 + ... + 3889189.

It is an arithmetic number, because the mean of its divisors is an integer number (552224794).

Almost surely, 2^2201121079 is an apocalyptic number.

2201121079 is a deficient number, since it is larger than the sum of its proper divisors (7778097).

2201121079 is an equidigital number, since it uses as much as digits as its factorization.

2201121079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7778096.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 2201121079 is about 46916.1068184478. The cubic root of 2201121079 is about 1300.8123283909.

The spelling of 2201121079 in words is "two billion, two hundred one million, one hundred twenty-one thousand, seventy-nine".