1142221124421 has 24 divisors (see below), whose sum is σ = 1776846323616. Its totient is φ = 702882398880.

The previous prime is 1142221124411. The next prime is 1142221124459. The reversal of 1142221124421 is 1244211222411.

1142221124421 is a `hidden beast` number, since 1 + 1 + 4 + 2 + 2 + 211 + 2 + 442 + 1 = 666.

It is not a de Polignac number, because 1142221124421 - 2⁷ = 1142221124293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142221124411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3883266 + ... + 4167036.

It is an arithmetic number, because the mean of its divisors is an integer number (74035263484).

Almost surely, 2^{1142221124421} is an apocalyptic number.

It is an amenable number.

1142221124421 is a deficient number, since it is larger than the sum of its proper divisors (634625199195).

1142221124421 is a wasteful number, since it uses less digits than its factorization.

1142221124421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318193 (or 318190 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

Adding to 1142221124421 its reverse (1244211222411), we get a palindrome (2386432346832).

The spelling of 1142221124421 in words is "one trillion, one hundred forty-two billion, two hundred twenty-one million, one hundred twenty-four thousand, four hundred twenty-one".