212110110121111 has 2 divisors, whose sum is σ = 212110110121112. Its totient is φ = 212110110121110.

The previous prime is 212110110121099. The next prime is 212110110121123. The reversal of 212110110121111 is 111121011011212.

It is a balanced prime because it is at equal distance from previous prime (212110110121099) and next prime (212110110121123).

It is a cyclic number.

It is not a de Polignac number, because 212110110121111 - 2¹⁷ = 212110109990039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212110110121181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106055055060555 + 106055055060556.

It is an arithmetic number, because the mean of its divisors is an integer number (106055055060556).

Almost surely, 2^{212110110121111} is an apocalyptic number.

212110110121111 is a deficient number, since it is larger than the sum of its proper divisors (1).

212110110121111 is an equidigital number, since it uses as much as digits as its factorization.

212110110121111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 212110110121111 its reverse (111121011011212), we get a palindrome (323231121132323).

The spelling of 212110110121111 in words is "two hundred twelve trillion, one hundred ten billion, one hundred ten million, one hundred twenty-one thousand, one hundred eleven".