5120101111 has 4 divisors (see below), whose sum is σ = 5121991072. Its totient is φ = 5118211152.

The previous prime is 5120101099. The next prime is 5120101121. The reversal of 5120101111 is 1111010215.

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 5120101111 - 2⁷ = 5120100983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5120101091 and 5120101100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120101121) 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, 940911 + ... + 946336.

It is an arithmetic number, because the mean of its divisors is an integer number (1280497768).

Almost surely, 2^5120101111 is an apocalyptic number.

5120101111 is a deficient number, since it is larger than the sum of its proper divisors (1889961).

5120101111 is a wasteful number, since it uses less digits than its factorization.

5120101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889960.

The product of its (nonzero) digits is 10, while the sum is 13.

The square root of 5120101111 is about 71554.8818110966. The cubic root of 5120101111 is about 1723.5590976303.

Adding to 5120101111 its reverse (1111010215), we get a palindrome (6231111326).

The spelling of 5120101111 in words is "five billion, one hundred twenty million, one hundred one thousand, one hundred eleven".