10500401111 has 2 divisors, whose sum is σ = 10500401112. Its totient is φ = 10500401110.

The previous prime is 10500401069. The next prime is 10500401141. The reversal of 10500401111 is 11110400501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10500401111 is a prime.

It is a super-2 number, since 2×10500401111² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10500401141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250200555 + 5250200556.

It is an arithmetic number, because the mean of its divisors is an integer number (5250200556).

Almost surely, 2^10500401111 is an apocalyptic number.

10500401111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10500401111 is an equidigital number, since it uses as much as digits as its factorization.

10500401111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 14.

Adding to 10500401111 its reverse (11110400501), we get a palindrome (21610801612).

The spelling of 10500401111 in words is "ten billion, five hundred million, four hundred one thousand, one hundred eleven".