2021142133340 has 48 divisors (see below), whose sum is σ = 4630578472800. Its totient is φ = 734909095680.

The previous prime is 2021142133337. The next prime is 2021142133357. The reversal of 2021142133340 is 433312411202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2885054 + ... + 3516506.

It is an arithmetic number, because the mean of its divisors is an integer number (96470384850).

Almost surely, 2^{2021142133340} is an apocalyptic number.

2021142133340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021142133340 is an abundant number, since it is smaller than the sum of its proper divisors (2609436339460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021142133340 is a wasteful number, since it uses less digits than its factorization.

2021142133340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646022 (or 646020 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 2021142133340 its reverse (433312411202), we get a palindrome (2454454544542).

The spelling of 2021142133340 in words is "two trillion, twenty-one billion, one hundred forty-two million, one hundred thirty-three thousand, three hundred forty".