5101111 has 4 divisors (see below), whose sum is σ = 5111424. Its totient is φ = 5090800.

The previous prime is 5101099. The next prime is 5101127. The reversal of 5101111 is 1111015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5101111 - 2¹¹ = 5099063 is a prime.

It is an Ulam number.

It is a Duffinian number.

5101111 is a modest number, since divided by 1111 gives 510 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5101141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4375 + ... + 5416.

It is an arithmetic number, because the mean of its divisors is an integer number (1277856).

Almost surely, 2^5101111 is an apocalyptic number.

5101111 is a deficient number, since it is larger than the sum of its proper divisors (10313).

5101111 is an equidigital number, since it uses as much as digits as its factorization.

5101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10312.

The product of its (nonzero) digits is 5, while the sum is 10.

The square root of 5101111 is about 2258.5639242669. The cubic root of 5101111 is about 172.1425602827.

Adding to 5101111 its reverse (1111015), we get a palindrome (6212126).

The spelling of 5101111 in words is "five million, one hundred one thousand, one hundred eleven".