122010202021 has 2 divisors, whose sum is σ = 122010202022. Its totient is φ = 122010202020.

The previous prime is 122010201991. The next prime is 122010202051. The reversal of 122010202021 is 120202010221.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (122010201991) and next prime (122010202051).

It can be written as a sum of positive squares in only one way, i.e., 62187890625 + 59822311396 = 249375^2 + 244586^2 .

It is a cyclic number.

It is not a de Polignac number, because 122010202021 - 2¹³ = 122010193829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122010201992 and 122010202010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122010202051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005101010 + 61005101011.

It is an arithmetic number, because the mean of its divisors is an integer number (61005101011).

Almost surely, 2^122010202021 is an apocalyptic number.

It is an amenable number.

122010202021 is a deficient number, since it is larger than the sum of its proper divisors (1).

122010202021 is an equidigital number, since it uses as much as digits as its factorization.

122010202021 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 13.

Adding to 122010202021 its reverse (120202010221), we get a palindrome (242212212242).

The spelling of 122010202021 in words is "one hundred twenty-two billion, ten million, two hundred two thousand, twenty-one".