2021043202140 has 48 divisors (see below), whose sum is σ = 5662255912992. Its totient is φ = 538627239936.

The previous prime is 2021043202121. The next prime is 2021043202151. The reversal of 2021043202140 is 412023401202.

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, 9822769 + ... + 10026408.

It is an arithmetic number, because the mean of its divisors is an integer number (117963664854).

Almost surely, 2^{2021043202140} is an apocalyptic number.

2021043202140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021043202140 is an abundant number, since it is smaller than the sum of its proper divisors (3641212710852).

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

2021043202140 is a wasteful number, since it uses less digits than its factorization.

2021043202140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19850886 (or 19850884 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 2021043202140 its reverse (412023401202), we get a palindrome (2433066603342).

The spelling of 2021043202140 in words is "two trillion, twenty-one billion, forty-three million, two hundred two thousand, one hundred forty".