2021100020202 has 8 divisors (see below), whose sum is σ = 4042200040416. Its totient is φ = 673700006732.

The previous prime is 2021100020197. The next prime is 2021100020209. The reversal of 2021100020202 is 2020200011202.

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

2021100020202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2021100020209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168425001678 + ... + 168425001689.

It is an arithmetic number, because the mean of its divisors is an integer number (505275005052).

Almost surely, 2^{2021100020202} is an apocalyptic number.

2021100020202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2021100020202 is a wasteful number, since it uses less digits than its factorization.

2021100020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336850003372.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2021100020202 its reverse (2020200011202), we get a palindrome (4041300031404).

The spelling of 2021100020202 in words is "two trillion, twenty-one billion, one hundred million, twenty thousand, two hundred two".