100201111121249 has 2 divisors, whose sum is σ = 100201111121250. Its totient is φ = 100201111121248.

The previous prime is 100201111121239. The next prime is 100201111121333. The reversal of 100201111121249 is 942121111102001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94278371187025 + 5922739934224 = 9709705^2 + 2433668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100201111121249 is a prime.

It is not a weakly prime, because it can be changed into another prime (100201111121239) 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, 50100555560624 + 50100555560625.

It is an arithmetic number, because the mean of its divisors is an integer number (50100555560625).

Almost surely, 2^{100201111121249} is an apocalyptic number.

It is an amenable number.

100201111121249 is a deficient number, since it is larger than the sum of its proper divisors (1).

100201111121249 is an equidigital number, since it uses as much as digits as its factorization.

100201111121249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 100201111121249 in words is "one hundred trillion, two hundred one billion, one hundred eleven million, one hundred twenty-one thousand, two hundred forty-nine".