1223222144411 has 4 divisors (see below), whose sum is σ = 1229626449024. Its totient is φ = 1216817839800.

The previous prime is 1223222144407. The next prime is 1223222144429. The reversal of 1223222144411 is 1144412223221.

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

It is a cyclic number.

It is not a de Polignac number, because 1223222144411 - 2² = 1223222144407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223222140411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3202152020 + ... + 3202152401.

It is an arithmetic number, because the mean of its divisors is an integer number (307406612256).

Almost surely, 2^{1223222144411} is an apocalyptic number.

1223222144411 is a deficient number, since it is larger than the sum of its proper divisors (6404304613).

1223222144411 is an equidigital number, since it uses as much as digits as its factorization.

1223222144411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6404304612.

The product of its digits is 6144, while the sum is 29.

Adding to 1223222144411 its reverse (1144412223221), we get a palindrome (2367634367632).

The spelling of 1223222144411 in words is "one trillion, two hundred twenty-three billion, two hundred twenty-two million, one hundred forty-four thousand, four hundred eleven".