211210102012210 has 48 divisors (see below), whose sum is σ = 438587952513984. Its totient is φ = 71738117153568.

The previous prime is 211210102012163. The next prime is 211210102012307. The reversal of 211210102012210 is 12210201012112.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130969344 + ... + 132572203.

It is an arithmetic number, because the mean of its divisors is an integer number (9137249010708).

Almost surely, 2^{211210102012210} is an apocalyptic number.

211210102012210 is an abundant number, since it is smaller than the sum of its proper divisors (227377850501774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211210102012210 is a wasteful number, since it uses less digits than its factorization.

211210102012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263541775 (or 263541668 counting only the distinct ones).

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

Adding to 211210102012210 its reverse (12210201012112), we get a palindrome (223420303024322).

The spelling of 211210102012210 in words is "two hundred eleven trillion, two hundred ten billion, one hundred two million, twelve thousand, two hundred ten".