1224421101143 has 4 divisors (see below), whose sum is σ = 1228409443800. Its totient is φ = 1220432758488.

The previous prime is 1224421101133. The next prime is 1224421101157. The reversal of 1224421101143 is 3411011244221.

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 1224421101143 - 2¹⁴ = 1224421084759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224421101133) 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, 1994170868 + ... + 1994171481.

It is an arithmetic number, because the mean of its divisors is an integer number (307102360950).

Almost surely, 2^{1224421101143} is an apocalyptic number.

1224421101143 is a deficient number, since it is larger than the sum of its proper divisors (3988342657).

1224421101143 is an equidigital number, since it uses as much as digits as its factorization.

1224421101143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3988342656.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 1224421101143 its reverse (3411011244221), we get a palindrome (4635432345364).

The spelling of 1224421101143 in words is "one trillion, two hundred twenty-four billion, four hundred twenty-one million, one hundred one thousand, one hundred forty-three".