122010202021111 has 2 divisors, whose sum is σ = 122010202021112. Its totient is φ = 122010202021110.

The previous prime is 122010202021027. The next prime is 122010202021241. The reversal of 122010202021111 is 111120202010221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122010202021111 - 2¹⁹ = 122010201496823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122010202021711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005101010555 + 61005101010556.

It is an arithmetic number, because the mean of its divisors is an integer number (61005101010556).

Almost surely, 2^{122010202021111} is an apocalyptic number.

122010202021111 is a deficient number, since it is larger than the sum of its proper divisors (1).

122010202021111 is an equidigital number, since it uses as much as digits as its factorization.

122010202021111 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 16.

Adding to 122010202021111 its reverse (111120202010221), we get a palindrome (233130404031332).

The spelling of 122010202021111 in words is "one hundred twenty-two trillion, ten billion, two hundred two million, twenty-one thousand, one hundred eleven".