221105422313 has 8 divisors (see below), whose sum is σ = 235071885888. Its totient is φ = 207501724144.

The previous prime is 221105422309. The next prime is 221105422331. The reversal of 221105422313 is 313224501122.

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 221105422313 - 2² = 221105422309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221105482313) 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, 90690095 + ... + 90692532.

It is an arithmetic number, because the mean of its divisors is an integer number (29383985736).

Almost surely, 2^221105422313 is an apocalyptic number.

221105422313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

221105422313 is a deficient number, since it is larger than the sum of its proper divisors (13966463575).

221105422313 is a wasteful number, since it uses less digits than its factorization.

221105422313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181382703.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 221105422313 its reverse (313224501122), we get a palindrome (534329923435).

The spelling of 221105422313 in words is "two hundred twenty-one billion, one hundred five million, four hundred twenty-two thousand, three hundred thirteen".