210126115213351 has 2 divisors, whose sum is σ = 210126115213352. Its totient is φ = 210126115213350.

The previous prime is 210126115213331. The next prime is 210126115213369. The reversal of 210126115213351 is 153312511621012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210126115213351 - 2³⁵ = 210091755474983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210126115213331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105063057606675 + 105063057606676.

It is an arithmetic number, because the mean of its divisors is an integer number (105063057606676).

Almost surely, 2^{210126115213351} is an apocalyptic number.

210126115213351 is a deficient number, since it is larger than the sum of its proper divisors (1).

210126115213351 is an equidigital number, since it uses as much as digits as its factorization.

210126115213351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 34.

Adding to 210126115213351 its reverse (153312511621012), we get a palindrome (363438626834363).

The spelling of 210126115213351 in words is "two hundred ten trillion, one hundred twenty-six billion, one hundred fifteen million, two hundred thirteen thousand, three hundred fifty-one".