2221421113 has 8 divisors (see below), whose sum is σ = 2302549632. Its totient is φ = 2141703696.

The previous prime is 2221421101. The next prime is 2221421131. The reversal of 2221421113 is 3111241222.

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 2221421113 - 2⁹ = 2221420601 is a prime.

It is a super-2 number, since 2×2221421113² = 9869423522564317538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221421143) 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, 349570 + ... + 355867.

It is an arithmetic number, because the mean of its divisors is an integer number (287818704).

Almost surely, 2^2221421113 is an apocalyptic number.

It is an amenable number.

2221421113 is a deficient number, since it is larger than the sum of its proper divisors (81128519).

2221421113 is an equidigital number, since it uses as much as digits as its factorization.

2221421113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705551.

The product of its digits is 192, while the sum is 19.

The square root of 2221421113 is about 47131.9542667180. The cubic root of 2221421113 is about 1304.7990497138.

Adding to 2221421113 its reverse (3111241222), we get a palindrome (5332662335).

The spelling of 2221421113 in words is "two billion, two hundred twenty-one million, four hundred twenty-one thousand, one hundred thirteen".