212110110121123 has 2 divisors, whose sum is σ = 212110110121124. Its totient is φ = 212110110121122.

The previous prime is 212110110121111. The next prime is 212110110121181. The reversal of 212110110121123 is 321121011011212.

212110110121123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212110110121123 - 2⁹ = 212110110120611 is a prime.

It is a super-2 number, since 2×212110110121123² (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 212110110121123.

It is not a weakly prime, because it can be changed into another prime (212110110128123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106055055060561 + 106055055060562.

It is an arithmetic number, because the mean of its divisors is an integer number (106055055060562).

Almost surely, 2^{212110110121123} is an apocalyptic number.

212110110121123 is a deficient number, since it is larger than the sum of its proper divisors (1).

212110110121123 is an equidigital number, since it uses as much as digits as its factorization.

212110110121123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 212110110121123 its reverse (321121011011212), we get a palindrome (533231121132335).

The spelling of 212110110121123 in words is "two hundred twelve trillion, one hundred ten billion, one hundred ten million, one hundred twenty-one thousand, one hundred twenty-three".