202112101210210 has 16 divisors (see below), whose sum is σ = 363801996123192. Its totient is φ = 80844792940800.

The previous prime is 202112101210171. The next prime is 202112101210211. The reversal of 202112101210210 is 12012101211202.

It can be written as a sum of positive squares in 4 ways, for example, as 137826872120961 + 64285229089249 = 11739969^2 + 8017807^2 .

It is not an unprimeable number, because it can be changed into a prime (202112101210211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15646570 + ... + 25476250.

Almost surely, 2^{202112101210210} is an apocalyptic number.

202112101210210 is a deficient number, since it is larger than the sum of its proper divisors (161689894912982).

202112101210210 is a wasteful number, since it uses less digits than its factorization.

202112101210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11885829.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202112101210210 its reverse (12012101211202), we get a palindrome (214124202421412).

The spelling of 202112101210210 in words is "two hundred two trillion, one hundred twelve billion, one hundred one million, two hundred ten thousand, two hundred ten".