210140011321 has 4 divisors (see below), whose sum is σ = 210340336500. Its totient is φ = 209939686144.

The previous prime is 210140011259. The next prime is 210140011327. The reversal of 210140011321 is 123110041012.

210140011321 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 can be written as a sum of positive squares in 2 ways, for example, as 110892330025 + 99247681296 = 333005^2 + 315036^2 .

It is a cyclic number.

It is not a de Polignac number, because 210140011321 - 2²¹ = 210137914169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210140011295 and 210140011304.

It is not an unprimeable number, because it can be changed into a prime (210140011327) 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, 100161016 + ... + 100163113.

It is an arithmetic number, because the mean of its divisors is an integer number (52585084125).

Almost surely, 2^210140011321 is an apocalyptic number.

It is an amenable number.

210140011321 is a deficient number, since it is larger than the sum of its proper divisors (200325179).

210140011321 is a wasteful number, since it uses less digits than its factorization.

210140011321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200325178.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 210140011321 its reverse (123110041012), we get a palindrome (333250052333).

The spelling of 210140011321 in words is "two hundred ten billion, one hundred forty million, eleven thousand, three hundred twenty-one".