2210110121 has 2 divisors, whose sum is σ = 2210110122. Its totient is φ = 2210110120.

The previous prime is 2210110117. The next prime is 2210110157. The reversal of 2210110121 is 1210110122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2196234496 + 13875625 = 46864^2 + 3725^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210110121 - 2² = 2210110117 is a prime.

It is not a weakly prime, because it can be changed into another prime (2210110171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105055060 + 1105055061.

It is an arithmetic number, because the mean of its divisors is an integer number (1105055061).

Almost surely, 2^2210110121 is an apocalyptic number.

It is an amenable number.

2210110121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210110121 is an equidigital number, since it uses as much as digits as its factorization.

2210110121 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 11.

The square root of 2210110121 is about 47011.8083145075. The cubic root of 2210110121 is about 1302.5806962209.

Adding to 2210110121 its reverse (1210110122), we get a palindrome (3420220243).

Subtracting from 2210110121 its reverse (1210110122), we obtain a palindrome (999999999).

The spelling of 2210110121 in words is "two billion, two hundred ten million, one hundred ten thousand, one hundred twenty-one".