213230132121101 has 2 divisors, whose sum is σ = 213230132121102. Its totient is φ = 213230132121100.

The previous prime is 213230132121077. The next prime is 213230132121119. The reversal of 213230132121101 is 101121231032312.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207958722759076 + 5271409362025 = 14420774^2 + 2295955^2 .

It is a cyclic number.

It is not a de Polignac number, because 213230132121101 - 2³⁰ = 213229058379277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213230132121121) 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, 106615066060550 + 106615066060551.

It is an arithmetic number, because the mean of its divisors is an integer number (106615066060551).

Almost surely, 2^{213230132121101} is an apocalyptic number.

It is an amenable number.

213230132121101 is a deficient number, since it is larger than the sum of its proper divisors (1).

213230132121101 is an equidigital number, since it uses as much as digits as its factorization.

213230132121101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 213230132121101 its reverse (101121231032312), we get a palindrome (314351363153413).

The spelling of 213230132121101 in words is "two hundred thirteen trillion, two hundred thirty billion, one hundred thirty-two million, one hundred twenty-one thousand, one hundred one".