212111210110202 has 8 divisors (see below), whose sum is σ = 342641185562676. Its totient is φ = 97897481589312.

The previous prime is 212111210110157. The next prime is 212111210110207. The reversal of 212111210110202 is 202011012111212.

It can be written as a sum of positive squares in 2 ways, for example, as 204087253099921 + 8023957010281 = 14285911^2 + 2832659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (212111210110207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4079061732863 + ... + 4079061732914.

Almost surely, 2^{212111210110202} is an apocalyptic number.

212111210110202 is a deficient number, since it is larger than the sum of its proper divisors (130529975452474).

212111210110202 is a wasteful number, since it uses less digits than its factorization.

212111210110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8158123465792.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212111210110202 its reverse (202011012111212), we get a palindrome (414122222221414).

The spelling of 212111210110202 in words is "two hundred twelve trillion, one hundred eleven billion, two hundred ten million, one hundred ten thousand, two hundred two".