2200020122221 has 2 divisors, whose sum is σ = 2200020122222. Its totient is φ = 2200020122220.

The previous prime is 2200020122141. The next prime is 2200020122309. The reversal of 2200020122221 is 1222210200022.

2200020122221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2174902310025 + 25117812196 = 1474755^2 + 158486^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200020122221 - 2¹¹ = 2200020120173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2200020122195 and 2200020122204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2200020122021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100010061110 + 1100010061111.

It is an arithmetic number, because the mean of its divisors is an integer number (1100010061111).

Almost surely, 2^{2200020122221} is an apocalyptic number.

It is an amenable number.

2200020122221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200020122221 is an equidigital number, since it uses as much as digits as its factorization.

2200020122221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2200020122221 its reverse (1222210200022), we get a palindrome (3422230322243).

The spelling of 2200020122221 in words is "two trillion, two hundred billion, twenty million, one hundred twenty-two thousand, two hundred twenty-one".