1143342403021 has 48 divisors (see below), whose sum is σ = 1436782656960. Its totient is φ = 901808328960.

The previous prime is 1143342402997. The next prime is 1143342403043. The reversal of 1143342403021 is 1203042433411.

It is a happy number.

It is not a de Polignac number, because 1143342403021 - 2⁹ = 1143342402509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143342401021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 343241326 + ... + 343244656.

It is an arithmetic number, because the mean of its divisors is an integer number (29932972020).

Almost surely, 2^{1143342403021} is an apocalyptic number.

It is an amenable number.

1143342403021 is a deficient number, since it is larger than the sum of its proper divisors (293440253939).

1143342403021 is a wasteful number, since it uses less digits than its factorization.

1143342403021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874 (or 4867 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1143342403021 its reverse (1203042433411), we get a palindrome (2346384836432).

The spelling of 1143342403021 in words is "one trillion, one hundred forty-three billion, three hundred forty-two million, four hundred three thousand, twenty-one".