2021142133141 has 16 divisors (see below), whose sum is σ = 2032336001520. Its totient is φ = 2009987781120.

The previous prime is 2021142133111. The next prime is 2021142133151. The reversal of 2021142133141 is 1413312411202.

It can be written as a sum of positive squares in 8 ways, for example, as 565067924100 + 1456074209041 = 751710^2 + 1206679^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021142133141 - 2¹⁹ = 2021141608853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021142133111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199456311 + ... + 199466443.

It is an arithmetic number, because the mean of its divisors is an integer number (127021000095).

Almost surely, 2^{2021142133141} is an apocalyptic number.

It is an amenable number.

2021142133141 is a deficient number, since it is larger than the sum of its proper divisors (11193868379).

2021142133141 is a wasteful number, since it uses less digits than its factorization.

2021142133141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11976.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 2021142133141 its reverse (1413312411202), we get a palindrome (3434454544343).

The spelling of 2021142133141 in words is "two trillion, twenty-one billion, one hundred forty-two million, one hundred thirty-three thousand, one hundred forty-one".