201202120332121 has 2 divisors, whose sum is σ = 201202120332122. Its totient is φ = 201202120332120.

The previous prime is 201202120332091. The next prime is 201202120332253. The reversal of 201202120332121 is 121233021202102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105821113989721 + 95381006342400 = 10286939^2 + 9766320^2 .

It is a cyclic number.

It is not a de Polignac number, because 201202120332121 - 2²³ = 201202111943513 is a prime.

It is a super-2 number, since 2×201202120332121² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201202120332092 and 201202120332101.

It is not a weakly prime, because it can be changed into another prime (201202720332121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100601060166060 + 100601060166061.

It is an arithmetic number, because the mean of its divisors is an integer number (100601060166061).

Almost surely, 2^{201202120332121} is an apocalyptic number.

It is an amenable number.

201202120332121 is a deficient number, since it is larger than the sum of its proper divisors (1).

201202120332121 is an equidigital number, since it uses as much as digits as its factorization.

201202120332121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 201202120332121 its reverse (121233021202102), we get a palindrome (322435141534223).

The spelling of 201202120332121 in words is "two hundred one trillion, two hundred two billion, one hundred twenty million, three hundred thirty-two thousand, one hundred twenty-one".