212202223111061 has 2 divisors, whose sum is σ = 212202223111062. Its totient is φ = 212202223111060.

The previous prime is 212202223111003. The next prime is 212202223111133. The reversal of 212202223111061 is 160111322202212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189748035308836 + 22454187802225 = 13774906^2 + 4738585^2 .

It is a cyclic number.

It is not a de Polignac number, because 212202223111061 - 2¹⁴ = 212202223094677 is a prime.

It is a super-2 number, since 2×212202223111061² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212202223111061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212202223111561) 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, 106101111555530 + 106101111555531.

It is an arithmetic number, because the mean of its divisors is an integer number (106101111555531).

Almost surely, 2^{212202223111061} is an apocalyptic number.

It is an amenable number.

212202223111061 is a deficient number, since it is larger than the sum of its proper divisors (1).

212202223111061 is an equidigital number, since it uses as much as digits as its factorization.

212202223111061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 212202223111061 its reverse (160111322202212), we get a palindrome (372313545313273).

The spelling of 212202223111061 in words is "two hundred twelve trillion, two hundred two billion, two hundred twenty-three million, one hundred eleven thousand, sixty-one".