2021202100230 has 128 divisors (see below), whose sum is σ = 5278968961920. Its totient is φ = 493565460480.

The previous prime is 2021202100223. The next prime is 2021202100231. The reversal of 2021202100230 is 320012021202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021202100231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25793910 + ... + 25872150.

It is an arithmetic number, because the mean of its divisors is an integer number (41241945015).

Almost surely, 2^{2021202100230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021202100230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2639484480960).

2021202100230 is an abundant number, since it is smaller than the sum of its proper divisors (3257766861690).

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

2021202100230 is an equidigital number, since it uses as much as digits as its factorization.

2021202100230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78379 (or 78305 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2021202100230 its reverse (320012021202), we get a palindrome (2341214121432).

The spelling of 2021202100230 in words is "two trillion, twenty-one billion, two hundred two million, one hundred thousand, two hundred thirty".