210021201124 has 12 divisors (see below), whose sum is σ = 420042402304. Its totient is φ = 90009086184.

The previous prime is 210021201101. The next prime is 210021201139. The reversal of 210021201124 is 421102120012.

210021201124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

210021201124 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 210021201098 and 210021201107.

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 3 ways as a sum of consecutive naturals, for example, 3750378564 + ... + 3750378619.

Almost surely, 2^210021201124 is an apocalyptic number.

It is an amenable number.

210021201124 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.

210021201124 is a wasteful number, since it uses less digits than its factorization.

210021201124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500757194 (or 7500757192 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210021201124 its reverse (421102120012), we get a palindrome (631123321136).

The spelling of 210021201124 in words is "two hundred ten billion, twenty-one million, two hundred one thousand, one hundred twenty-four".