12202202121101 has 4 divisors (see below), whose sum is σ = 12202209119100. Its totient is φ = 12202195123104.

The previous prime is 12202202121089. The next prime is 12202202121133. The reversal of 12202202121101 is 10112120220221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7112350276201 + 5089851844900 = 2666899^2 + 2256070^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202202121101 - 2¹⁴ = 12202202104717 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 12202202121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202202121601) 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, 1446545 + ... + 5147513.

It is an arithmetic number, because the mean of its divisors is an integer number (3050552279775).

Almost surely, 2^{12202202121101} is an apocalyptic number.

It is an amenable number.

12202202121101 is a deficient number, since it is larger than the sum of its proper divisors (6997999).

12202202121101 is an equidigital number, since it uses as much as digits as its factorization.

12202202121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6997998.

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

Adding to 12202202121101 its reverse (10112120220221), we get a palindrome (22314322341322).

The spelling of 12202202121101 in words is "twelve trillion, two hundred two billion, two hundred two million, one hundred twenty-one thousand, one hundred one".