212003331130121 has 2 divisors, whose sum is σ = 212003331130122. Its totient is φ = 212003331130120.

The previous prime is 212003331130043. The next prime is 212003331130181. The reversal of 212003331130121 is 121031133300212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187123795662400 + 24879535467721 = 13679320^2 + 4987939^2 .

It is a cyclic number.

It is not a de Polignac number, because 212003331130121 - 2²⁶ = 212003264021257 is a prime.

It is a super-3 number, since 3×212003331130121³ (a number of 44 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (212003331130181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106001665565060 + 106001665565061.

It is an arithmetic number, because the mean of its divisors is an integer number (106001665565061).

Almost surely, 2^{212003331130121} is an apocalyptic number.

It is an amenable number.

212003331130121 is a deficient number, since it is larger than the sum of its proper divisors (1).

212003331130121 is an equidigital number, since it uses as much as digits as its factorization.

212003331130121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 212003331130121 its reverse (121031133300212), we get a palindrome (333034464430333).

The spelling of 212003331130121 in words is "two hundred twelve trillion, three billion, three hundred thirty-one million, one hundred thirty thousand, one hundred twenty-one".