210132211321 has 4 divisors (see below), whose sum is σ = 222492929652. Its totient is φ = 197771492992.

The previous prime is 210132211301. The next prime is 210132211337. The reversal of 210132211321 is 123112231012.

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 184415278096 + 25716933225 = 429436^2 + 160365^2 .

It is a cyclic number.

It is not a de Polignac number, because 210132211321 - 2¹³ = 210132203129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210132211301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6180359140 + ... + 6180359173.

It is an arithmetic number, because the mean of its divisors is an integer number (55623232413).

Almost surely, 2^210132211321 is an apocalyptic number.

It is an amenable number.

210132211321 is a deficient number, since it is larger than the sum of its proper divisors (12360718331).

210132211321 is a wasteful number, since it uses less digits than its factorization.

210132211321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12360718330.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 210132211321 its reverse (123112231012), we get a palindrome (333244442333).

The spelling of 210132211321 in words is "two hundred ten billion, one hundred thirty-two million, two hundred eleven thousand, three hundred twenty-one".