210001140235 has 4 divisors (see below), whose sum is σ = 252001368288. Its totient is φ = 168000912184.

The previous prime is 210001140203. The next prime is 210001140281. The reversal of 210001140235 is 532041100012.

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 210001140235 - 2⁵ = 210001140203 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21000114019 + ... + 21000114028.

It is an arithmetic number, because the mean of its divisors is an integer number (63000342072).

Almost surely, 2^210001140235 is an apocalyptic number.

210001140235 is a deficient number, since it is larger than the sum of its proper divisors (42000228053).

210001140235 is an equidigital number, since it uses as much as digits as its factorization.

210001140235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42000228052.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 210001140235 its reverse (532041100012), we get a palindrome (742042240247).

The spelling of 210001140235 in words is "two hundred ten billion, one million, one hundred forty thousand, two hundred thirty-five".