1022010202121 has 2 divisors, whose sum is σ = 1022010202122. Its totient is φ = 1022010202120.

The previous prime is 1022010202097. The next prime is 1022010202123. The reversal of 1022010202121 is 1212020102201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 959077455625 + 62932746496 = 979325^2 + 250864^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022010202121 - 2¹⁴ = 1022010185737 is a prime.

Together with 1022010202123, 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 = 1022010202096 and 1022010202105.

It is not a weakly prime, because it can be changed into another prime (1022010202123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511005101060 + 511005101061.

It is an arithmetic number, because the mean of its divisors is an integer number (511005101061).

Almost surely, 2^{1022010202121} is an apocalyptic number.

It is an amenable number.

1022010202121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022010202121 is an equidigital number, since it uses as much as digits as its factorization.

1022010202121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1022010202121 its reverse (1212020102201), we get a palindrome (2234030304322).

The spelling of 1022010202121 in words is "one trillion, twenty-two billion, ten million, two hundred two thousand, one hundred twenty-one".