2202321121 has 36 divisors (see below), whose sum is σ = 3032672916. Its totient is φ = 1584031680.

The previous prime is 2202321119. The next prime is 2202321131. The reversal of 2202321121 is 1211232022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 103306896 + 2099014225 = 10164^2 + 45815^2 .

It is not a de Polignac number, because 2202321121 - 2¹ = 2202321119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2202321095 and 2202321104.

It is not an unprimeable number, because it can be changed into a prime (2202321101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 62791 + ... + 91363.

Almost surely, 2^2202321121 is an apocalyptic number.

It is an amenable number.

2202321121 is a deficient number, since it is larger than the sum of its proper divisors (830351795).

2202321121 is a wasteful number, since it uses less digits than its factorization.

2202321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28622 (or 28604 counting only the distinct ones).

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

The square root of 2202321121 is about 46928.8943083043. The cubic root of 2202321121 is about 1301.0486845884.

Adding to 2202321121 its reverse (1211232022), we get a palindrome (3413553143).

It can be divided in two parts, 2202 and 321121, that added together give a palindrome (323323).

The spelling of 2202321121 in words is "two billion, two hundred two million, three hundred twenty-one thousand, one hundred twenty-one".