2301222121 has 8 divisors (see below), whose sum is σ = 2511823104. Its totient is φ = 2090854320.

The previous prime is 2301222089. The next prime is 2301222139. The reversal of 2301222121 is 1212221032.

It is a happy number.

2301222121 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 2301222121 - 2⁵ = 2301222089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2301222095 and 2301222104.

It is not an unprimeable number, because it can be changed into a prime (2301222191) 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, 37326 + ... + 77431.

It is an arithmetic number, because the mean of its divisors is an integer number (313977888).

Almost surely, 2^2301222121 is an apocalyptic number.

It is an amenable number.

2301222121 is a deficient number, since it is larger than the sum of its proper divisors (210600983).

2301222121 is a wasteful number, since it uses less digits than its factorization.

2301222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116591.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2301222121 is about 47971.0550332177. The cubic root of 2301222121 is about 1320.2398785432.

Adding to 2301222121 its reverse (1212221032), we get a palindrome (3513443153).

It can be divided in two parts, 2301 and 222121, that added together give a palindrome (224422).

The spelling of 2301222121 in words is "two billion, three hundred one million, two hundred twenty-two thousand, one hundred twenty-one".