2021103321142 has 8 divisors (see below), whose sum is σ = 3031896758832. Its totient is φ = 1010471068200.

The previous prime is 2021103321103. The next prime is 2021103321151. The reversal of 2021103321142 is 2411233011202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40264834 + ... + 40314997.

It is an arithmetic number, because the mean of its divisors is an integer number (378987094854).

Almost surely, 2^{2021103321142} is an apocalyptic number.

2021103321142 is a deficient number, since it is larger than the sum of its proper divisors (1010793437690).

2021103321142 is a wasteful number, since it uses less digits than its factorization.

2021103321142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80592374.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2021103321142 its reverse (2411233011202), we get a palindrome (4432336332344).

The spelling of 2021103321142 in words is "two trillion, twenty-one billion, one hundred three million, three hundred twenty-one thousand, one hundred forty-two".