2223202121 has 8 divisors (see below), whose sum is σ = 2572965120. Its totient is φ = 1881479808.

The previous prime is 2223202109. The next prime is 2223202123. The reversal of 2223202121 is 1212023222.

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 2223202121 - 2¹⁸ = 2222939977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2223202121.

It is not an unprimeable number, because it can be changed into a prime (2223202123) 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, 2009576 + ... + 2010681.

It is an arithmetic number, because the mean of its divisors is an integer number (321620640).

Almost surely, 2^2223202121 is an apocalyptic number.

It is an amenable number.

2223202121 is a deficient number, since it is larger than the sum of its proper divisors (349762999).

2223202121 is an equidigital number, since it uses as much as digits as its factorization.

2223202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4020343.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2223202121 is about 47150.8443296618. The cubic root of 2223202121 is about 1305.1476609044.

Adding to 2223202121 its reverse (1212023222), we get a palindrome (3435225343).

The spelling of 2223202121 in words is "two billion, two hundred twenty-three million, two hundred two thousand, one hundred twenty-one".