210120202010210 has 16 divisors (see below), whose sum is σ = 378217823931000. Its totient is φ = 84047756290176.

The previous prime is 210120202010119. The next prime is 210120202010233. The reversal of 210120202010210 is 12010202021012.

It can be written as a sum of positive squares in 4 ways, for example, as 183439908912001 + 26680293098209 = 13543999^2 + 5165297^2 .

It is a super-2 number, since 2×210120202010210² (a number of 29 digits) contains 22 as substring.

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, 37836035 + ... + 43032614.

Almost surely, 2^{210120202010210} is an apocalyptic number.

210120202010210 is a deficient number, since it is larger than the sum of its proper divisors (168097621920790).

210120202010210 is a wasteful number, since it uses less digits than its factorization.

210120202010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81128485.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210120202010210 its reverse (12010202021012), we get a palindrome (222130404031222).

The spelling of 210120202010210 in words is "two hundred ten trillion, one hundred twenty billion, two hundred two million, ten thousand, two hundred ten".