201211100012210 has 8 divisors (see below), whose sum is σ = 362179980021996. Its totient is φ = 80484440004880.

The previous prime is 201211100012177. The next prime is 201211100012213. The reversal of 201211100012210 is 12210001112102.

It can be written as a sum of positive squares in 2 ways, for example, as 201010608308041 + 200491704169 = 14177821^2 + 447763^2 .

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 (201211100012213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10060555000601 + ... + 10060555000620.

Almost surely, 2^{201211100012210} is an apocalyptic number.

201211100012210 is a deficient number, since it is larger than the sum of its proper divisors (160968880009786).

201211100012210 is a wasteful number, since it uses less digits than its factorization.

201211100012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20121110001228.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201211100012210 its reverse (12210001112102), we get a palindrome (213421101124312).

The spelling of 201211100012210 in words is "two hundred one trillion, two hundred eleven billion, one hundred million, twelve thousand, two hundred ten".