213321120167 has 4 divisors (see below), whose sum is σ = 220202446656. Its totient is φ = 206439793680.

The previous prime is 213321120151. The next prime is 213321120193. The reversal of 213321120167 is 761021123312.

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 213321120167 - 2⁴ = 213321120151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213321120127) 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, 3440663198 + ... + 3440663259.

It is an arithmetic number, because the mean of its divisors is an integer number (55050611664).

Almost surely, 2^213321120167 is an apocalyptic number.

213321120167 is a deficient number, since it is larger than the sum of its proper divisors (6881326489).

213321120167 is an equidigital number, since it uses as much as digits as its factorization.

213321120167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6881326488.

The product of its (nonzero) digits is 3024, while the sum is 29.

Adding to 213321120167 its reverse (761021123312), we get a palindrome (974342243479).

The spelling of 213321120167 in words is "two hundred thirteen billion, three hundred twenty-one million, one hundred twenty thousand, one hundred sixty-seven".