100111000999949 has 2 divisors, whose sum is σ = 100111000999950. Its totient is φ = 100111000999948.

The previous prime is 100111000999927. The next prime is 100111001000053. The reversal of 100111000999949 is 949999000111001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80444880377449 + 19666120622500 = 8969107^2 + 4434650^2 .

It is a cyclic number.

It is not a de Polignac number, because 100111000999949 - 2⁸ = 100111000999693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100111000999949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100111000999049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055500499974 + 50055500499975.

It is an arithmetic number, because the mean of its divisors is an integer number (50055500499975).

Almost surely, 2^{100111000999949} is an apocalyptic number.

It is an amenable number.

100111000999949 is a deficient number, since it is larger than the sum of its proper divisors (1).

100111000999949 is an equidigital number, since it uses as much as digits as its factorization.

100111000999949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 236196, while the sum is 53.

The spelling of 100111000999949 in words is "one hundred trillion, one hundred eleven billion, nine hundred ninety-nine thousand, nine hundred forty-nine".