2021323043140 has 48 divisors (see below), whose sum is σ = 4251556108800. Its totient is φ = 807238726272.

The previous prime is 2021323043119. The next prime is 2021323043161. The reversal of 2021323043140 is 413403231202.

It is an interprime number because it is at equal distance from previous prime (2021323043119) and next prime (2021323043161).

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, 80233666 + ... + 80258854.

It is an arithmetic number, because the mean of its divisors is an integer number (88574085600).

Almost surely, 2^{2021323043140} is an apocalyptic number.

2021323043140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021323043140 is an abundant number, since it is smaller than the sum of its proper divisors (2230233065660).

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

2021323043140 is a wasteful number, since it uses less digits than its factorization.

2021323043140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31444 (or 31442 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2021323043140 its reverse (413403231202), we get a palindrome (2434726274342).

The spelling of 2021323043140 in words is "two trillion, twenty-one billion, three hundred twenty-three million, forty-three thousand, one hundred forty".