2221423443111 has 4 divisors (see below), whose sum is σ = 2961897924152. Its totient is φ = 1480948962072.

The previous prime is 2221423443089. The next prime is 2221423443203. The reversal of 2221423443111 is 1113443241222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2221423443111 - 2¹⁷ = 2221423312039 is a prime.

It is a super-2 number, since 2×2221423443111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221423443311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370237240516 + ... + 370237240521.

It is an arithmetic number, because the mean of its divisors is an integer number (740474481038).

Almost surely, 2^{2221423443111} is an apocalyptic number.

2221423443111 is a deficient number, since it is larger than the sum of its proper divisors (740474481041).

2221423443111 is an equidigital number, since it uses as much as digits as its factorization.

2221423443111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740474481040.

The product of its digits is 9216, while the sum is 30.

Adding to 2221423443111 its reverse (1113443241222), we get a palindrome (3334866684333).

The spelling of 2221423443111 in words is "two trillion, two hundred twenty-one billion, four hundred twenty-three million, four hundred forty-three thousand, one hundred eleven".