2200220020121 has 2 divisors, whose sum is σ = 2200220020122. Its totient is φ = 2200220020120.

The previous prime is 2200220020111. The next prime is 2200220020123. The reversal of 2200220020121 is 1210200220022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1899324985600 + 300895034521 = 1378160^2 + 548539^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200220020121 - 2¹⁰ = 2200220019097 is a prime.

Together with 2200220020123, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2200220020096 and 2200220020105.

It is not a weakly prime, because it can be changed into another prime (2200220020123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100110010060 + 1100110010061.

It is an arithmetic number, because the mean of its divisors is an integer number (1100110010061).

Almost surely, 2^{2200220020121} is an apocalyptic number.

It is an amenable number.

2200220020121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200220020121 is an equidigital number, since it uses as much as digits as its factorization.

2200220020121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2200220020121 its reverse (1210200220022), we get a palindrome (3410420240143).

The spelling of 2200220020121 in words is "two trillion, two hundred billion, two hundred twenty million, twenty thousand, one hundred twenty-one".