10111111202147 has 2 divisors, whose sum is σ = 10111111202148. Its totient is φ = 10111111202146.

The previous prime is 10111111202141. The next prime is 10111111202149. The reversal of 10111111202147 is 74120211111101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10111111202147 - 2³⁴ = 10093931332963 is a prime.

Together with 10111111202149, 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 (10111111202141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055555601073 + 5055555601074.

It is an arithmetic number, because the mean of its divisors is an integer number (5055555601074).

Almost surely, 2^{10111111202147} is an apocalyptic number.

10111111202147 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111111202147 is an equidigital number, since it uses as much as digits as its factorization.

10111111202147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 23.

Adding to 10111111202147 its reverse (74120211111101), we get a palindrome (84231322313248).

The spelling of 10111111202147 in words is "ten trillion, one hundred eleven billion, one hundred eleven million, two hundred two thousand, one hundred forty-seven".