1142103331021 has 4 divisors (see below), whose sum is σ = 1142886131200. Its totient is φ = 1141320530844.

The previous prime is 1142103331001. The next prime is 1142103331067. The reversal of 1142103331021 is 1201333012411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1142103331021 - 2²⁹ = 1141566460109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142103330983 and 1142103331001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142103331001) 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, 391397901 + ... + 391400818.

It is an arithmetic number, because the mean of its divisors is an integer number (285721532800).

Almost surely, 2^{1142103331021} is an apocalyptic number.

It is an amenable number.

1142103331021 is a deficient number, since it is larger than the sum of its proper divisors (782800179).

1142103331021 is an equidigital number, since it uses as much as digits as its factorization.

1142103331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782800178.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1142103331021 its reverse (1201333012411), we get a palindrome (2343436343432).

The spelling of 1142103331021 in words is "one trillion, one hundred forty-two billion, one hundred three million, three hundred thirty-one thousand, twenty-one".