212202102022111 has 2 divisors, whose sum is σ = 212202102022112. Its totient is φ = 212202102022110.

The previous prime is 212202102022073. The next prime is 212202102022121. The reversal of 212202102022111 is 111220201202212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212202102022111 - 2¹⁹ = 212202101497823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212202102022121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106101051011055 + 106101051011056.

It is an arithmetic number, because the mean of its divisors is an integer number (106101051011056).

Almost surely, 2^{212202102022111} is an apocalyptic number.

212202102022111 is a deficient number, since it is larger than the sum of its proper divisors (1).

212202102022111 is an equidigital number, since it uses as much as digits as its factorization.

212202102022111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212202102022111 its reverse (111220201202212), we get a palindrome (323422303224323).

The spelling of 212202102022111 in words is "two hundred twelve trillion, two hundred two billion, one hundred two million, twenty-two thousand, one hundred eleven".