2220333121 has 2 divisors, whose sum is σ = 2220333122. Its totient is φ = 2220333120.

The previous prime is 2220333091. The next prime is 2220333133. The reversal of 2220333121 is 1213330222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2215020096 + 5313025 = 47064^2 + 2305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220333121 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220333151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110166560 + 1110166561.

It is an arithmetic number, because the mean of its divisors is an integer number (1110166561).

Almost surely, 2^2220333121 is an apocalyptic number.

It is an amenable number.

2220333121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220333121 is an equidigital number, since it uses as much as digits as its factorization.

2220333121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2220333121 is about 47120.4108746942. The cubic root of 2220333121 is about 1304.5859964953.

Adding to 2220333121 its reverse (1213330222), we get a palindrome (3433663343).

The spelling of 2220333121 in words is "two billion, two hundred twenty million, three hundred thirty-three thousand, one hundred twenty-one".