2033220121 has 2 divisors, whose sum is σ = 2033220122. Its totient is φ = 2033220120.

The previous prime is 2033220019. The next prime is 2033220149. The reversal of 2033220121 is 1210223302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1416393225 + 616826896 = 37635^2 + 24836^2 .

It is a cyclic number.

It is not a de Polignac number, because 2033220121 - 2¹⁵ = 2033187353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2033220095 and 2033220104.

It is not a weakly prime, because it can be changed into another prime (2033220221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1016610060 + 1016610061.

It is an arithmetic number, because the mean of its divisors is an integer number (1016610061).

Almost surely, 2^2033220121 is an apocalyptic number.

It is an amenable number.

2033220121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2033220121 is an equidigital number, since it uses as much as digits as its factorization.

2033220121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2033220121 is about 45091.2421762808. The cubic root of 2033220121 is about 1266.8585679321.

Adding to 2033220121 its reverse (1210223302), we get a palindrome (3243443423).

The spelling of 2033220121 in words is "two billion, thirty-three million, two hundred twenty thousand, one hundred twenty-one".