2202202121 has 8 divisors (see below), whose sum is σ = 2519370624. Its totient is φ = 1885675680.

The previous prime is 2202202103. The next prime is 2202202141. The reversal of 2202202121 is 1212022022.

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

It is not a de Polignac number, because 2202202121 - 2¹⁴ = 2202185737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2202202096 and 2202202105.

It is not an unprimeable number, because it can be changed into a prime (2202202141) 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 7 ways as a sum of consecutive naturals, for example, 153140 + ... + 166901.

It is an arithmetic number, because the mean of its divisors is an integer number (314921328).

Almost surely, 2^2202202121 is an apocalyptic number.

It is an amenable number.

2202202121 is a deficient number, since it is larger than the sum of its proper divisors (317168503).

2202202121 is an equidigital number, since it uses as much as digits as its factorization.

2202202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321031.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2202202121 is about 46927.6264155774. The cubic root of 2202202121 is about 1301.0252505880.

Adding to 2202202121 its reverse (1212022022), we get a palindrome (3414224143).

The spelling of 2202202121 in words is "two billion, two hundred two million, two hundred two thousand, one hundred twenty-one".