221210021222113 has 8 divisors (see below), whose sum is σ = 275794312173120. Its totient is φ = 172371445108080.

The previous prime is 221210021222093. The next prime is 221210021222137. The reversal of 221210021222113 is 311222120012122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221210021222113 - 2⁹ = 221210021221601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221210021222153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436428709158 + ... + 1436428709311.

It is an arithmetic number, because the mean of its divisors is an integer number (34474289021640).

Almost surely, 2^{221210021222113} is an apocalyptic number.

It is an amenable number.

221210021222113 is a deficient number, since it is larger than the sum of its proper divisors (54584290951007).

221210021222113 is a wasteful number, since it uses less digits than its factorization.

221210021222113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872857418487.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 221210021222113 its reverse (311222120012122), we get a palindrome (532432141234235).

The spelling of 221210021222113 in words is "two hundred twenty-one trillion, two hundred ten billion, twenty-one million, two hundred twenty-two thousand, one hundred thirteen".