1421322334143 has 48 divisors (see below), whose sum is σ = 2047736334336. Its totient is φ = 875358956160.

The previous prime is 1421322334111. The next prime is 1421322334151. The reversal of 1421322334143 is 3414332231241.

It is not a de Polignac number, because 1421322334143 - 2⁵ = 1421322334111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421322333143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9592246 + ... + 9739292.

It is an arithmetic number, because the mean of its divisors is an integer number (42661173632).

Almost surely, 2^{1421322334143} is an apocalyptic number.

1421322334143 is a deficient number, since it is larger than the sum of its proper divisors (626414000193).

1421322334143 is a wasteful number, since it uses less digits than its factorization.

1421322334143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147224 (or 147171 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

Adding to 1421322334143 its reverse (3414332231241), we get a palindrome (4835654565384).

The spelling of 1421322334143 in words is "one trillion, four hundred twenty-one billion, three hundred twenty-two million, three hundred thirty-four thousand, one hundred forty-three".