210021302451052 has 24 divisors (see below), whose sum is σ = 379874991409424. Its totient is φ = 101521745088192.

The previous prime is 210021302451047. The next prime is 210021302451071. The reversal of 210021302451052 is 250154203120012.

It is a happy number.

210021302451052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 210021302451052.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4519285218 + ... + 4519331689.

Almost surely, 2^{210021302451052} is an apocalyptic number.

It is an amenable number.

210021302451052 is a deficient number, since it is larger than the sum of its proper divisors (169853688958372).

210021302451052 is a wasteful number, since it uses less digits than its factorization.

210021302451052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9038617105 (or 9038617103 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 210021302451052 its reverse (250154203120012), we get a palindrome (460175505571064).

The spelling of 210021302451052 in words is "two hundred ten trillion, twenty-one billion, three hundred two million, four hundred fifty-one thousand, fifty-two".