5111102421 has 24 divisors (see below), whose sum is σ = 7650065280. Its totient is φ = 3286011456.

The previous prime is 5111102417. The next prime is 5111102431. The reversal of 5111102421 is 1242011115.

5111102421 is a `hidden beast` number, since 511 + 110 + 2 + 42 + 1 = 666.

5111102421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5111102421 - 2² = 5111102417 is a prime.

It is a super-2 number, since 2×5111102421² = 52246735915904122482, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5111102394 and 5111102403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111102431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53016 + ... + 114161.

It is an arithmetic number, because the mean of its divisors is an integer number (318752720).

Almost surely, 2^5111102421 is an apocalyptic number.

It is an amenable number.

5111102421 is a deficient number, since it is larger than the sum of its proper divisors (2538962859).

5111102421 is a wasteful number, since it uses less digits than its factorization.

5111102421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167305 (or 167302 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 5111102421 is about 71491.9745216203. The cubic root of 5111102421 is about 1722.5487745385.

Adding to 5111102421 its reverse (1242011115), we get a palindrome (6353113536).

The spelling of 5111102421 in words is "five billion, one hundred eleven million, one hundred two thousand, four hundred twenty-one".