12201202101 has 24 divisors (see below), whose sum is σ = 17911724992. Its totient is φ = 7382232000.

The previous prime is 12201202063. The next prime is 12201202157. The reversal of 12201202101 is 10120210221.

It is not a de Polignac number, because 12201202101 - 2²¹ = 12199104949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201202171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190200 + ... + 246126.

Almost surely, 2^12201202101 is an apocalyptic number.

12201202101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12201202101 is a deficient number, since it is larger than the sum of its proper divisors (5710522891).

12201202101 is a wasteful number, since it uses less digits than its factorization.

12201202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56553 (or 56542 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12201202101 its reverse (10120210221), we get a palindrome (22321412322).

It can be divided in two parts, 1220120 and 2101, that added together give a palindrome (1222221).

The spelling of 12201202101 in words is "twelve billion, two hundred one million, two hundred two thousand, one hundred one".