212011020110269 has 2 divisors, whose sum is σ = 212011020110270. Its totient is φ = 212011020110268.

The previous prime is 212011020110161. The next prime is 212011020110287. The reversal of 212011020110269 is 962011020110212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174573142287769 + 37437877822500 = 13212613^2 + 6118650^2 .

It is a cyclic number.

It is not a de Polignac number, because 212011020110269 - 2⁴¹ = 209811996854717 is a prime.

It is a super-2 number, since 2×212011020110269² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212011020120269) 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, 106005510055134 + 106005510055135.

It is an arithmetic number, because the mean of its divisors is an integer number (106005510055135).

Almost surely, 2^{212011020110269} is an apocalyptic number.

It is an amenable number.

212011020110269 is a deficient number, since it is larger than the sum of its proper divisors (1).

212011020110269 is an equidigital number, since it uses as much as digits as its factorization.

212011020110269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 212011020110269 in words is "two hundred twelve trillion, eleven billion, twenty million, one hundred ten thousand, two hundred sixty-nine".