140020244124021 has 12 divisors (see below), whose sum is σ = 202383567911200. Its totient is φ = 93285858257640.

The previous prime is 140020244123993. The next prime is 140020244124029. The reversal of 140020244124021 is 120421442020041.

140020244124021 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 2 + 0 + 244 + 12 + 402 + 1 = 666.

It is not a de Polignac number, because 140020244124021 - 2¹⁵ = 140020244091253 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 (140020244124029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5080915321 + ... + 5080942878.

Almost surely, 2^{140020244124021} is an apocalyptic number.

It is an amenable number.

140020244124021 is a deficient number, since it is larger than the sum of its proper divisors (62363323787179).

140020244124021 is a wasteful number, since it uses less digits than its factorization.

140020244124021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10161859736 (or 10161859733 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 140020244124021 its reverse (120421442020041), we get a palindrome (260441686144062).

The spelling of 140020244124021 in words is "one hundred forty trillion, twenty billion, two hundred forty-four million, one hundred twenty-four thousand, twenty-one".