210221201004 has 24 divisors (see below), whose sum is σ = 491852702208. Its totient is φ = 69882795600.

The previous prime is 210221200963. The next prime is 210221201027. The reversal of 210221201004 is 400102122012.

210221201004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 23862672 + ... + 23871479.

It is an arithmetic number, because the mean of its divisors is an integer number (20493862592).

Almost surely, 2^210221201004 is an apocalyptic number.

It is an amenable number.

210221201004 is an abundant number, since it is smaller than the sum of its proper divisors (281631501204).

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

210221201004 is a wasteful number, since it uses less digits than its factorization.

210221201004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47734525 (or 47734523 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 210221201004 its reverse (400102122012), we get a palindrome (610323323016).

The spelling of 210221201004 in words is "two hundred ten billion, two hundred twenty-one million, two hundred one thousand, four".