201141312121 has 2 divisors, whose sum is σ = 201141312122. Its totient is φ = 201141312120.

The previous prime is 201141312107. The next prime is 201141312157. The reversal of 201141312121 is 121213141102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189055388025 + 12085924096 = 434805^2 + 109936^2 .

It is a cyclic number.

It is not a de Polignac number, because 201141312121 - 2⁷ = 201141311993 is a prime.

It is not a weakly prime, because it can be changed into another prime (201141352121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100570656060 + 100570656061.

It is an arithmetic number, because the mean of its divisors is an integer number (100570656061).

Almost surely, 2^201141312121 is an apocalyptic number.

It is an amenable number.

201141312121 is a deficient number, since it is larger than the sum of its proper divisors (1).

201141312121 is an equidigital number, since it uses as much as digits as its factorization.

201141312121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 201141312121 its reverse (121213141102), we get a palindrome (322354453223).

The spelling of 201141312121 in words is "two hundred one billion, one hundred forty-one million, three hundred twelve thousand, one hundred twenty-one".