10111111202251 has 2 divisors, whose sum is σ = 10111111202252. Its totient is φ = 10111111202250.

The previous prime is 10111111202161. The next prime is 10111111202267. The reversal of 10111111202251 is 15220211111101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10111111202251 - 2⁹ = 10111111201739 is a prime.

It is not a weakly prime, because it can be changed into another prime (10111111202851) 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, 5055555601125 + 5055555601126.

It is an arithmetic number, because the mean of its divisors is an integer number (5055555601126).

Almost surely, 2^{10111111202251} is an apocalyptic number.

10111111202251 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111111202251 is an equidigital number, since it uses as much as digits as its factorization.

10111111202251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 19.

Adding to 10111111202251 its reverse (15220211111101), we get a palindrome (25331322313352).

The spelling of 10111111202251 in words is "ten trillion, one hundred eleven billion, one hundred eleven million, two hundred two thousand, two hundred fifty-one".