12212102202101 has 8 divisors (see below), whose sum is σ = 12543455465400. Its totient is φ = 11880817172928.

The previous prime is 12212102202089. The next prime is 12212102202121. The reversal of 12212102202101 is 10120220121221.

It can be written as a sum of positive squares in 4 ways, for example, as 3099099701476 + 9113002500625 = 1760426^2 + 3018775^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12212102202101 - 2¹⁰ = 12212102201077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12212102202101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212102202121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16695626 + ... + 17411723.

It is an arithmetic number, because the mean of its divisors is an integer number (1567931933175).

Almost surely, 2^{12212102202101} is an apocalyptic number.

It is an amenable number.

12212102202101 is a deficient number, since it is larger than the sum of its proper divisors (331353263299).

12212102202101 is an equidigital number, since it uses as much as digits as its factorization.

12212102202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34117063.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12212102202101 its reverse (10120220121221), we get a palindrome (22332322323322).

The spelling of 12212102202101 in words is "twelve trillion, two hundred twelve billion, one hundred two million, two hundred two thousand, one hundred one".