220333002121 has 2 divisors, whose sum is σ = 220333002122. Its totient is φ = 220333002120.

The previous prime is 220333002091. The next prime is 220333002163. The reversal of 220333002121 is 121200333022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208465296400 + 11867705721 = 456580^2 + 108939^2 .

It is a cyclic number.

It is not a de Polignac number, because 220333002121 - 2²³ = 220324613513 is a prime.

It is not a weakly prime, because it can be changed into another prime (220333005121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110166501060 + 110166501061.

It is an arithmetic number, because the mean of its divisors is an integer number (110166501061).

Almost surely, 2^220333002121 is an apocalyptic number.

It is an amenable number.

220333002121 is a deficient number, since it is larger than the sum of its proper divisors (1).

220333002121 is an equidigital number, since it uses as much as digits as its factorization.

220333002121 is an odious number, because the sum of its binary digits is odd.

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

Adding to 220333002121 its reverse (121200333022), we get a palindrome (341533335143).

The spelling of 220333002121 in words is "two hundred twenty billion, three hundred thirty-three million, two thousand, one hundred twenty-one".