12102210111211 has 12 divisors (see below), whose sum is σ = 13532274979272. Its totient is φ = 10733667488000.

The previous prime is 12102210111203. The next prime is 12102210111217. The reversal of 12102210111211 is 11211101220121.

It is not a de Polignac number, because 12102210111211 - 2³ = 12102210111203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102210111217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 327227470 + ... + 327264451.

It is an arithmetic number, because the mean of its divisors is an integer number (1127689581606).

Almost surely, 2^{12102210111211} is an apocalyptic number.

12102210111211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12102210111211 is a deficient number, since it is larger than the sum of its proper divisors (1430064868061).

12102210111211 is an equidigital number, since it uses as much as digits as its factorization.

12102210111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654492014 (or 654491973 counting only the distinct ones).

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

Adding to 12102210111211 its reverse (11211101220121), we get a palindrome (23313311331332).

The spelling of 12102210111211 in words is "twelve trillion, one hundred two billion, two hundred ten million, one hundred eleven thousand, two hundred eleven".