2201202121 has 8 divisors (see below), whose sum is σ = 2286013664. Its totient is φ = 2117918880.

The previous prime is 2201202077. The next prime is 2201202161. The reversal of 2201202121 is 1212021022.

It is a happy number.

2201202121 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 a cyclic number.

It is not a de Polignac number, because 2201202121 - 2¹⁷ = 2201071049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201202161) 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, 379140 + ... + 384901.

It is an arithmetic number, because the mean of its divisors is an integer number (285751708).

Almost surely, 2^2201202121 is an apocalyptic number.

It is an amenable number.

2201202121 is a deficient number, since it is larger than the sum of its proper divisors (84811543).

2201202121 is an equidigital number, since it uses as much as digits as its factorization.

2201202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764151.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2201202121 is about 46916.9705010884. The cubic root of 2201202121 is about 1300.8282928526.

Adding to 2201202121 its reverse (1212021022), we get a palindrome (3413223143).

The spelling of 2201202121 in words is "two billion, two hundred one million, two hundred two thousand, one hundred twenty-one".