12202112222101 has 4 divisors (see below), whose sum is σ = 12314058205900. Its totient is φ = 12090166238304.

The previous prime is 12202112222039. The next prime is 12202112222123. The reversal of 12202112222101 is 10122221120221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3393236621476 + 8808875600625 = 1842074^2 + 2967975^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202112222101 - 2⁹ = 12202112221589 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 (12202112222171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55972991736 + ... + 55972991953.

It is an arithmetic number, because the mean of its divisors is an integer number (3078514551475).

Almost surely, 2^{12202112222101} is an apocalyptic number.

It is an amenable number.

12202112222101 is a deficient number, since it is larger than the sum of its proper divisors (111945983799).

12202112222101 is a wasteful number, since it uses less digits than its factorization.

12202112222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111945983798.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12202112222101 its reverse (10122221120221), we get a palindrome (22324333342322).

The spelling of 12202112222101 in words is "twelve trillion, two hundred two billion, one hundred twelve million, two hundred twenty-two thousand, one hundred one".