201124101901 has 2 divisors, whose sum is σ = 201124101902. Its totient is φ = 201124101900.

The previous prime is 201124101851. The next prime is 201124101947. The reversal of 201124101901 is 109101421102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117050199876 + 84073902025 = 342126^2 + 289955^2 .

It is a cyclic number.

It is not a de Polignac number, because 201124101901 - 2¹¹ = 201124099853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201124101991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100562050950 + 100562050951.

It is an arithmetic number, because the mean of its divisors is an integer number (100562050951).

Almost surely, 2^201124101901 is an apocalyptic number.

It is an amenable number.

201124101901 is a deficient number, since it is larger than the sum of its proper divisors (1).

201124101901 is an equidigital number, since it uses as much as digits as its factorization.

201124101901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 201124101901 in words is "two hundred one billion, one hundred twenty-four million, one hundred one thousand, nine hundred one".