201102001201121 has 2 divisors, whose sum is σ = 201102001201122. Its totient is φ = 201102001201120.

The previous prime is 201102001201117. The next prime is 201102001201163. The reversal of 201102001201121 is 121102100201102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172096721422096 + 29005279779025 = 13118564^2 + 5385655^2 .

It is a cyclic number.

It is not a de Polignac number, because 201102001201121 - 2² = 201102001201117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201102001201096 and 201102001201105.

It is not a weakly prime, because it can be changed into another prime (201102001209121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100551000600560 + 100551000600561.

It is an arithmetic number, because the mean of its divisors is an integer number (100551000600561).

Almost surely, 2^{201102001201121} is an apocalyptic number.

It is an amenable number.

201102001201121 is a deficient number, since it is larger than the sum of its proper divisors (1).

201102001201121 is an equidigital number, since it uses as much as digits as its factorization.

201102001201121 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 201102001201121 its reverse (121102100201102), we get a palindrome (322204101402223).

The spelling of 201102001201121 in words is "two hundred one trillion, one hundred two billion, one million, two hundred one thousand, one hundred twenty-one".