2100125351 has 2 divisors, whose sum is σ = 2100125352. Its totient is φ = 2100125350.

The previous prime is 2100125341. The next prime is 2100125353. The reversal of 2100125351 is 1535210012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100125351 is a prime.

Together with 2100125353, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100125353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050062675 + 1050062676.

It is an arithmetic number, because the mean of its divisors is an integer number (1050062676).

Almost surely, 2^2100125351 is an apocalyptic number.

2100125351 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100125351 is an equidigital number, since it uses as much as digits as its factorization.

2100125351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 2100125351 is about 45827.1246206873. The cubic root of 2100125351 is about 1280.6046441439.

Adding to 2100125351 its reverse (1535210012), we get a palindrome (3635335363).

The spelling of 2100125351 in words is "two billion, one hundred million, one hundred twenty-five thousand, three hundred fifty-one".