210133140251 has 4 divisors (see below), whose sum is σ = 210257260752. Its totient is φ = 210009019752.

The previous prime is 210133140233. The next prime is 210133140277. The reversal of 210133140251 is 152041331012.

210133140251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210133140251 - 2⁶ = 210133140187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210133140281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62057711 + ... + 62061096.

It is an arithmetic number, because the mean of its divisors is an integer number (52564315188).

Almost surely, 2^210133140251 is an apocalyptic number.

210133140251 is a deficient number, since it is larger than the sum of its proper divisors (124120501).

210133140251 is a wasteful number, since it uses less digits than its factorization.

210133140251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124120500.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 210133140251 its reverse (152041331012), we get a palindrome (362174471263).

The spelling of 210133140251 in words is "two hundred ten billion, one hundred thirty-three million, one hundred forty thousand, two hundred fifty-one".