12203230121101 has 4 divisors (see below), whose sum is σ = 12203246442204. Its totient is φ = 12203213800000.

The previous prime is 12203230121077. The next prime is 12203230121171. The reversal of 12203230121101 is 10112103230221.

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 6912172068201 + 5291058052900 = 2629101^2 + 2300230^2 .

It is a cyclic number.

It is not a de Polignac number, because 12203230121101 - 2¹⁹ = 12203229596813 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 (12203230121171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6982300 + ... + 8553301.

It is an arithmetic number, because the mean of its divisors is an integer number (3050811610551).

Almost surely, 2^{12203230121101} is an apocalyptic number.

It is an amenable number.

12203230121101 is a deficient number, since it is larger than the sum of its proper divisors (16321103).

12203230121101 is an equidigital number, since it uses as much as digits as its factorization.

12203230121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16321102.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12203230121101 its reverse (10112103230221), we get a palindrome (22315333351322).

The spelling of 12203230121101 in words is "twelve trillion, two hundred three billion, two hundred thirty million, one hundred twenty-one thousand, one hundred one".