212300030101121 has 2 divisors, whose sum is σ = 212300030101122. Its totient is φ = 212300030101120.

The previous prime is 212300030101091. The next prime is 212300030101123. The reversal of 212300030101121 is 121101030003212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204863801068096 + 7436229033025 = 14313064^2 + 2726945^2 .

It is a cyclic number.

It is not a de Polignac number, because 212300030101121 - 2¹⁰ = 212300030100097 is a prime.

Together with 212300030101123, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212300030101121.

It is not a weakly prime, because it can be changed into another prime (212300030101123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106150015050560 + 106150015050561.

It is an arithmetic number, because the mean of its divisors is an integer number (106150015050561).

Almost surely, 2^{212300030101121} is an apocalyptic number.

It is an amenable number.

212300030101121 is a deficient number, since it is larger than the sum of its proper divisors (1).

212300030101121 is an equidigital number, since it uses as much as digits as its factorization.

212300030101121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 212300030101121 its reverse (121101030003212), we get a palindrome (333401060104333).

The spelling of 212300030101121 in words is "two hundred twelve trillion, three hundred billion, thirty million, one hundred one thousand, one hundred twenty-one".