12210102220111 has 4 divisors (see below), whose sum is σ = 12213276152272. Its totient is φ = 12206928287952.

The previous prime is 12210102220109. The next prime is 12210102220193. The reversal of 12210102220111 is 11102220101221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12210102220111 - 2¹ = 12210102220109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210102227111) 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, 1586960310 + ... + 1586968003.

It is an arithmetic number, because the mean of its divisors is an integer number (3053319038068).

Almost surely, 2^{12210102220111} is an apocalyptic number.

12210102220111 is a deficient number, since it is larger than the sum of its proper divisors (3173932161).

12210102220111 is an equidigital number, since it uses as much as digits as its factorization.

12210102220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173932160.

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

Adding to 12210102220111 its reverse (11102220101221), we get a palindrome (23312322321332).

It can be divided in two parts, 12210 and 102220111, that added together give a square (102232321 = 10111²).

The spelling of 12210102220111 in words is "twelve trillion, two hundred ten billion, one hundred two million, two hundred twenty thousand, one hundred eleven".