5101331111 has 2 divisors, whose sum is σ = 5101331112. Its totient is φ = 5101331110.

The previous prime is 5101331093. The next prime is 5101331231. The reversal of 5101331111 is 1111331015.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5101331111 - 2¹⁸ = 5101068967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5101331111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5101336111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550665555 + 2550665556.

It is an arithmetic number, because the mean of its divisors is an integer number (2550665556).

Almost surely, 2^5101331111 is an apocalyptic number.

5101331111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5101331111 is an equidigital number, since it uses as much as digits as its factorization.

5101331111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 17.

The square root of 5101331111 is about 71423.6033185109. The cubic root of 5101331111 is about 1721.4503620910.

Adding to 5101331111 its reverse (1111331015), we get a palindrome (6212662126).

The spelling of 5101331111 in words is "five billion, one hundred one million, three hundred thirty-one thousand, one hundred eleven".