212200011321 has 4 divisors (see below), whose sum is σ = 282933348432. Its totient is φ = 141466674212.

The previous prime is 212200011313. The next prime is 212200011329. The reversal of 212200011321 is 123110002212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (212200011313) and next prime (212200011329).

It is a cyclic number.

It is not a de Polignac number, because 212200011321 - 2³ = 212200011313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212200011321.

It is not an unprimeable number, because it can be changed into a prime (212200011329) 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, 35366668551 + ... + 35366668556.

It is an arithmetic number, because the mean of its divisors is an integer number (70733337108).

Almost surely, 2^212200011321 is an apocalyptic number.

It is an amenable number.

212200011321 is a deficient number, since it is larger than the sum of its proper divisors (70733337111).

212200011321 is an equidigital number, since it uses as much as digits as its factorization.

212200011321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70733337110.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212200011321 its reverse (123110002212), we get a palindrome (335310013533).

The spelling of 212200011321 in words is "two hundred twelve billion, two hundred million, eleven thousand, three hundred twenty-one".