121100200241 has 2 divisors, whose sum is σ = 121100200242. Its totient is φ = 121100200240.

The previous prime is 121100200187. The next prime is 121100200279. The reversal of 121100200241 is 142002001121.

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., 102061719841 + 19038480400 = 319471^2 + 137980^2 .

It is a cyclic number.

It is not a de Polignac number, because 121100200241 - 2¹⁰ = 121100199217 is a prime.

It is not a weakly prime, because it can be changed into another prime (121100200841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550100120 + 60550100121.

It is an arithmetic number, because the mean of its divisors is an integer number (60550100121).

Almost surely, 2^121100200241 is an apocalyptic number.

It is an amenable number.

121100200241 is a deficient number, since it is larger than the sum of its proper divisors (1).

121100200241 is an equidigital number, since it uses as much as digits as its factorization.

121100200241 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 14.

Adding to 121100200241 its reverse (142002001121), we get a palindrome (263102201362).

The spelling of 121100200241 in words is "one hundred twenty-one billion, one hundred million, two hundred thousand, two hundred forty-one".