221222132341213 has 8 divisors (see below), whose sum is σ = 221240926466208. Its totient is φ = 221203338990384.

The previous prime is 221222132341169. The next prime is 221222132341283. The reversal of 221222132341213 is 312143231222122.

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 221222132341213 - 2³³ = 221213542406621 is a prime.

It is a super-3 number, since 3×221222132341213³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221222132341283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665017395 + ... + 665349967.

It is an arithmetic number, because the mean of its divisors is an integer number (27655115808276).

Almost surely, 2^{221222132341213} is an apocalyptic number.

It is an amenable number.

221222132341213 is a deficient number, since it is larger than the sum of its proper divisors (18794124995).

221222132341213 is a wasteful number, since it uses less digits than its factorization.

221222132341213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387083.

The product of its digits is 13824, while the sum is 31.

Adding to 221222132341213 its reverse (312143231222122), we get a palindrome (533365363563335).

The spelling of 221222132341213 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, one hundred thirty-two million, three hundred forty-one thousand, two hundred thirteen".