2121201110141 has 2 divisors, whose sum is σ = 2121201110142. Its totient is φ = 2121201110140.

The previous prime is 2121201110117. The next prime is 2121201110159. The reversal of 2121201110141 is 1410111021212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1739220252025 + 381980858116 = 1318795^2 + 618046^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121201110141 - 2¹⁴ = 2121201093757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121201110101) 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, 1060600555070 + 1060600555071.

It is an arithmetic number, because the mean of its divisors is an integer number (1060600555071).

Almost surely, 2^{2121201110141} is an apocalyptic number.

It is an amenable number.

2121201110141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121201110141 is an equidigital number, since it uses as much as digits as its factorization.

2121201110141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2121201110141 its reverse (1410111021212), we get a palindrome (3531312131353).

The spelling of 2121201110141 in words is "two trillion, one hundred twenty-one billion, two hundred one million, one hundred ten thousand, one hundred forty-one".