2221303232105 has 8 divisors (see below), whose sum is σ = 2665644721992. Its totient is φ = 1776988690048.

The previous prime is 2221303232089. The next prime is 2221303232111. The reversal of 2221303232105 is 5012323031222.

It can be written as a sum of positive squares in 4 ways, for example, as 45017381929 + 2176285850176 = 212173^2 + 1475224^2 .

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 2221303232105 - 2⁴ = 2221303232089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6555164 + ... + 6885693.

It is an arithmetic number, because the mean of its divisors is an integer number (333205590249).

Almost surely, 2^{2221303232105} is an apocalyptic number.

It is an amenable number.

2221303232105 is a deficient number, since it is larger than the sum of its proper divisors (444341489887).

2221303232105 is a wasteful number, since it uses less digits than its factorization.

2221303232105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13473915.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 2221303232105 its reverse (5012323031222), we get a palindrome (7233626263327).

The spelling of 2221303232105 in words is "two trillion, two hundred twenty-one billion, three hundred three million, two hundred thirty-two thousand, one hundred five".