2021210103330 has 144 divisors (see below), whose sum is σ = 5932435679352. Its totient is φ = 476747251200.

The previous prime is 2021210103307. The next prime is 2021210103349. The reversal of 2021210103330 is 333010121202.

2021210103330 is a `hidden beast` number, since 2 + 0 + 21 + 210 + 103 + 330 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2020966462449 + 243640881 = 1421607^2 + 15609^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2105211 + ... + 2911070.

Almost surely, 2^{2021210103330} is an apocalyptic number.

2021210103330 is an abundant number, since it is smaller than the sum of its proper divisors (3911225576022).

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

2021210103330 is a wasteful number, since it uses less digits than its factorization.

2021210103330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5016353 (or 5016339 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2021210103330 its reverse (333010121202), we get a palindrome (2354220224532).

The spelling of 2021210103330 in words is "two trillion, twenty-one billion, two hundred ten million, one hundred three thousand, three hundred thirty".