10111020287 has 2 divisors, whose sum is σ = 10111020288. Its totient is φ = 10111020286.

The previous prime is 10111020193. The next prime is 10111020341. The reversal of 10111020287 is 78202011101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10111020287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111020587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055510143 + 5055510144.

It is an arithmetic number, because the mean of its divisors is an integer number (5055510144).

Almost surely, 2^10111020287 is an apocalyptic number.

10111020287 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111020287 is an equidigital number, since it uses as much as digits as its factorization.

10111020287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 10111020287 its reverse (78202011101), we get a palindrome (88313031388).

The spelling of 10111020287 in words is "ten billion, one hundred eleven million, twenty thousand, two hundred eighty-seven".