210120211012210 has 16 divisors (see below), whose sum is σ = 378470386819800. Its totient is φ = 83991638405376.

The previous prime is 210120211012189. The next prime is 210120211012249. The reversal of 210120211012210 is 12210112021012.

It can be written as a sum of positive squares in 4 ways, for example, as 97580554054369 + 112539656957841 = 9878287^2 + 10608471^2 .

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, 7055734305 + ... + 7055764084.

Almost surely, 2^{210120211012210} is an apocalyptic number.

210120211012210 is a deficient number, since it is larger than the sum of its proper divisors (168350175807590).

210120211012210 is a wasteful number, since it uses less digits than its factorization.

210120211012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14111499885.

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

Adding to 210120211012210 its reverse (12210112021012), we get a palindrome (222330323033222).

The spelling of 210120211012210 in words is "two hundred ten trillion, one hundred twenty billion, two hundred eleven million, twelve thousand, two hundred ten".