2021021202002 has 16 divisors (see below), whose sum is σ = 3334457224224. Its totient is φ = 918645999700.

The previous prime is 2021021202001. The next prime is 2021021202043. The reversal of 2021021202002 is 2002021201202.

It is not an unprimeable number, because it can be changed into a prime (2021021202001) 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, 379603124 + ... + 379608447.

It is an arithmetic number, because the mean of its divisors is an integer number (208403576514).

Almost surely, 2^{2021021202002} is an apocalyptic number.

2021021202002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2021021202002 is a deficient number, since it is larger than the sum of its proper divisors (1313436022222).

2021021202002 is an equidigital number, since it uses as much as digits as its factorization.

2021021202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759211606 (or 759211584 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2021021202002 its reverse (2002021201202), we get a palindrome (4023042403204).

It can be divided in two parts, 20210 and 21202002, that added together give a palindrome (21222212).

The spelling of 2021021202002 in words is "two trillion, twenty-one billion, twenty-one million, two hundred two thousand, two".