5020021311 has 4 divisors (see below), whose sum is σ = 6693361752. Its totient is φ = 3346680872.

The previous prime is 5020021243. The next prime is 5020021367. The reversal of 5020021311 is 1131200205.

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 5020021311 - 2⁷ = 5020021183 is a prime.

It is a super-2 number, since 2×5020021311² = 50401227925788317442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5020023311) 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, 836670216 + ... + 836670221.

It is an arithmetic number, because the mean of its divisors is an integer number (1673340438).

Almost surely, 2^5020021311 is an apocalyptic number.

5020021311 is a deficient number, since it is larger than the sum of its proper divisors (1673340441).

5020021311 is a wasteful number, since it uses less digits than its factorization.

5020021311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673340440.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 5020021311 is about 70852.1087265580. The cubic root of 5020021311 is about 1712.2553043453.

Adding to 5020021311 its reverse (1131200205), we get a palindrome (6151221516).

The spelling of 5020021311 in words is "five billion, twenty million, twenty-one thousand, three hundred eleven".