210021202030 has 16 divisors (see below), whose sum is σ = 394474605984. Its totient is φ = 80355938080.

The previous prime is 210021202019. The next prime is 210021202067. The reversal of 210021202030 is 30202120012.

It is a super-2 number, since 2×210021202030² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210021202030.

It is a congruent number.

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, 456567601 + ... + 456568060.

It is an arithmetic number, because the mean of its divisors is an integer number (24654662874).

Almost surely, 2^210021202030 is an apocalyptic number.

210021202030 is a deficient number, since it is larger than the sum of its proper divisors (184453403954).

210021202030 is a wasteful number, since it uses less digits than its factorization.

210021202030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913135691.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 210021202030 its reverse (30202120012), we get a palindrome (240223322042).

The spelling of 210021202030 in words is "two hundred ten billion, twenty-one million, two hundred two thousand, thirty".