201121102199959 has 2 divisors, whose sum is σ = 201121102199960. Its totient is φ = 201121102199958.

The previous prime is 201121102199939. The next prime is 201121102200043. The reversal of 201121102199959 is 959991201121102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201121102199959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201121102199939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560551099979 + 100560551099980.

It is an arithmetic number, because the mean of its divisors is an integer number (100560551099980).

Almost surely, 2^{201121102199959} is an apocalyptic number.

201121102199959 is a deficient number, since it is larger than the sum of its proper divisors (1).

201121102199959 is an equidigital number, since it uses as much as digits as its factorization.

201121102199959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 52.

The spelling of 201121102199959 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred two million, one hundred ninety-nine thousand, nine hundred fifty-nine".