210142334032321 has 16 divisors (see below), whose sum is σ = 213271761044160. Its totient is φ = 207027322709760.

The previous prime is 210142334032289. The next prime is 210142334032417. The reversal of 210142334032321 is 123230433241012.

It is a cyclic number.

It is not a de Polignac number, because 210142334032321 - 2⁵ = 210142334032289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210142334332321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184430661 + ... + 185566573.

It is an arithmetic number, because the mean of its divisors is an integer number (13329485065260).

Almost surely, 2^{210142334032321} is an apocalyptic number.

It is an amenable number.

210142334032321 is a deficient number, since it is larger than the sum of its proper divisors (3129427011839).

210142334032321 is a wasteful number, since it uses less digits than its factorization.

210142334032321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142256.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 210142334032321 its reverse (123230433241012), we get a palindrome (333372767273333).

The spelling of 210142334032321 in words is "two hundred ten trillion, one hundred forty-two billion, three hundred thirty-four million, thirty-two thousand, three hundred twenty-one".