10111121201 has 2 divisors, whose sum is σ = 10111121202. Its totient is φ = 10111121200.

The previous prime is 10111121191. The next prime is 10111121203. The reversal of 10111121201 is 10212111101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7211406400 + 2899714801 = 84920^2 + 53849^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10111121201 is a prime.

Together with 10111121203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10111121203) 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, 5055560600 + 5055560601.

It is an arithmetic number, because the mean of its divisors is an integer number (5055560601).

Almost surely, 2^10111121201 is an apocalyptic number.

It is an amenable number.

10111121201 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111121201 is an equidigital number, since it uses as much as digits as its factorization.

10111121201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10111121201 its reverse (10212111101), we get a palindrome (20323232302).

The spelling of 10111121201 in words is "ten billion, one hundred eleven million, one hundred twenty-one thousand, two hundred one".