2021204140001 has 8 divisors (see below), whose sum is σ = 2022592483680. Its totient is φ = 2019816183168.

The previous prime is 2021204139979. The next prime is 2021204140027. The reversal of 2021204140001 is 1000414021202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021204140001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021204140061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10772570 + ... + 10958588.

It is an arithmetic number, because the mean of its divisors is an integer number (252824060460).

Almost surely, 2^{2021204140001} is an apocalyptic number.

It is an amenable number.

2021204140001 is a deficient number, since it is larger than the sum of its proper divisors (1388343679).

2021204140001 is a wasteful number, since it uses less digits than its factorization.

2021204140001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193423.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2021204140001 its reverse (1000414021202), we get a palindrome (3021618161203).

The spelling of 2021204140001 in words is "two trillion, twenty-one billion, two hundred four million, one hundred forty thousand, one".