2000021002021 has 8 divisors (see below), whose sum is σ = 2364556849920. Its totient is φ = 1655189794608.

The previous prime is 2000021002019. The next prime is 2000021002087. The reversal of 2000021002021 is 1202001200002.

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

It is not a de Polignac number, because 2000021002021 - 2¹ = 2000021002019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000021001989 and 2000021002007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000021102021) 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, 4926159901 + ... + 4926160306.

It is an arithmetic number, because the mean of its divisors is an integer number (295569606240).

Almost surely, 2^{2000021002021} is an apocalyptic number.

It is an amenable number.

2000021002021 is a deficient number, since it is larger than the sum of its proper divisors (364535847899).

2000021002021 is an equidigital number, since it uses as much as digits as its factorization.

2000021002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9852320243.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2000021002021 its reverse (1202001200002), we get a palindrome (3202022202023).

The spelling of 2000021002021 in words is "two trillion, twenty-one million, two thousand, twenty-one".