221022200213 has 4 divisors (see below), whose sum is σ = 221077198560. Its totient is φ = 220967201868.

The previous prime is 221022200197. The next prime is 221022200221. The reversal of 221022200213 is 312002220122.

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 a cyclic number.

It is not a de Polignac number, because 221022200213 - 2⁴ = 221022200197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221022200191 and 221022200200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221022200513) 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, 27493145 + ... + 27501182.

It is an arithmetic number, because the mean of its divisors is an integer number (55269299640).

Almost surely, 2^221022200213 is an apocalyptic number.

It is an amenable number.

221022200213 is a deficient number, since it is larger than the sum of its proper divisors (54998347).

221022200213 is an equidigital number, since it uses as much as digits as its factorization.

221022200213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54998346.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 221022200213 its reverse (312002220122), we get a palindrome (533024420335).

The spelling of 221022200213 in words is "two hundred twenty-one billion, twenty-two million, two hundred thousand, two hundred thirteen".