2110003121 has 2 divisors, whose sum is σ = 2110003122. Its totient is φ = 2110003120.

The previous prime is 2110003117. The next prime is 2110003123. The reversal of 2110003121 is 1213000112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1758628096 + 351375025 = 41936^2 + 18745^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110003121 - 2² = 2110003117 is a prime.

It is a super-2 number, since 2×2110003121² = 8904226341259481282, which contains 22 as substring.

Together with 2110003123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2110003123) 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, 1055001560 + 1055001561.

It is an arithmetic number, because the mean of its divisors is an integer number (1055001561).

Almost surely, 2^2110003121 is an apocalyptic number.

It is an amenable number.

2110003121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110003121 is an equidigital number, since it uses as much as digits as its factorization.

2110003121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2110003121 is about 45934.7702835227. The cubic root of 2110003121 is about 1282.6092447730.

Adding to 2110003121 its reverse (1213000112), we get a palindrome (3323003233).

The spelling of 2110003121 in words is "two billion, one hundred ten million, three thousand, one hundred twenty-one".