12201002101121 has 2 divisors, whose sum is σ = 12201002101122. Its totient is φ = 12201002101120.

The previous prime is 12201002101111. The next prime is 12201002101139. The reversal of 12201002101121 is 12110120010221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6415481094400 + 5785521006721 = 2532880^2 + 2405311^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201002101121 - 2¹⁰ = 12201002100097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12201002101096 and 12201002101105.

It is not a weakly prime, because it can be changed into another prime (12201002101111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100501050560 + 6100501050561.

It is an arithmetic number, because the mean of its divisors is an integer number (6100501050561).

Almost surely, 2^{12201002101121} is an apocalyptic number.

It is an amenable number.

12201002101121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201002101121 is an equidigital number, since it uses as much as digits as its factorization.

12201002101121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12201002101121 its reverse (12110120010221), we get a palindrome (24311122111342).

The spelling of 12201002101121 in words is "twelve trillion, two hundred one billion, two million, one hundred one thousand, one hundred twenty-one".