12200000121101 has 6 divisors (see below), whose sum is σ = 13210651018890. Its totient is φ = 11261538573168.

The previous prime is 12200000120993. The next prime is 12200000121151. The reversal of 12200000121101 is 10112100000221.

It can be written as a sum of positive squares in 3 ways, for example, as 22510501225 + 12177489619876 = 150035^2 + 3489626^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12200000121101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200000121151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36094674746 + ... + 36094675083.

It is an arithmetic number, because the mean of its divisors is an integer number (2201775169815).

Almost surely, 2^{12200000121101} is an apocalyptic number.

It is an amenable number.

12200000121101 is a deficient number, since it is larger than the sum of its proper divisors (1010650897789).

12200000121101 is an equidigital number, since it uses as much as digits as its factorization.

12200000121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72189349855 (or 72189349842 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12200000121101 its reverse (10112100000221), we get a palindrome (22312100121322).

The spelling of 12200000121101 in words is "twelve trillion, two hundred billion, one hundred twenty-one thousand, one hundred one".