210002021120 has 36 divisors (see below), whose sum is σ = 503020469280. Its totient is φ = 84000807936.

The previous prime is 210002021113. The next prime is 210002021129. The reversal of 210002021120 is 21120200012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (210002021129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82030760 + ... + 82033319.

Almost surely, 2^210002021120 is an apocalyptic number.

210002021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002021120 is an abundant number, since it is smaller than the sum of its proper divisors (293018448160).

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

210002021120 is an equidigital number, since it uses as much as digits as its factorization.

210002021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164064100 (or 164064086 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210002021120 its reverse (21120200012), we get a palindrome (231122221132).

The spelling of 210002021120 in words is "two hundred ten billion, two million, twenty-one thousand, one hundred twenty".