121230321202141 has 2 divisors, whose sum is σ = 121230321202142. Its totient is φ = 121230321202140.

The previous prime is 121230321202079. The next prime is 121230321202171. The reversal of 121230321202141 is 141202123032121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120926311222500 + 304009979641 = 10996650^2 + 551371^2 .

It is a cyclic number.

It is not a de Polignac number, because 121230321202141 - 2³¹ = 121228173718493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121230321202171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60615160601070 + 60615160601071.

It is an arithmetic number, because the mean of its divisors is an integer number (60615160601071).

Almost surely, 2^{121230321202141} is an apocalyptic number.

It is an amenable number.

121230321202141 is a deficient number, since it is larger than the sum of its proper divisors (1).

121230321202141 is an equidigital number, since it uses as much as digits as its factorization.

121230321202141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 121230321202141 its reverse (141202123032121), we get a palindrome (262432444234262).

The spelling of 121230321202141 in words is "one hundred twenty-one trillion, two hundred thirty billion, three hundred twenty-one million, two hundred two thousand, one hundred forty-one".