10111101901 has 2 divisors, whose sum is σ = 10111101902. Its totient is φ = 10111101900.

The previous prime is 10111101899. The next prime is 10111101907. The reversal of 10111101901 is 10910111101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5758533225 + 4352568676 = 75885^2 + 65974^2 .

It is an emirp because it is prime and its reverse (10910111101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10111101901 - 2¹ = 10111101899 is a prime.

Together with 10111101899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111101907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055550950 + 5055550951.

It is an arithmetic number, because the mean of its divisors is an integer number (5055550951).

Almost surely, 2^10111101901 is an apocalyptic number.

It is an amenable number.

10111101901 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111101901 is an equidigital number, since it uses as much as digits as its factorization.

10111101901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 16.

The spelling of 10111101901 in words is "ten billion, one hundred eleven million, one hundred one thousand, nine hundred one".