5122021122 has 64 divisors (see below), whose sum is σ = 11788761600. Its totient is φ = 1646507520.

The previous prime is 5122021081. The next prime is 5122021123. The reversal of 5122021122 is 2211202215.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 5122021095 and 5122021104.

It is not an unprimeable number, because it can be changed into a prime (5122021123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1926418 + ... + 1929074.

It is an arithmetic number, because the mean of its divisors is an integer number (184199400).

Almost surely, 2^5122021122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5122021122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5894380800).

5122021122 is an abundant number, since it is smaller than the sum of its proper divisors (6666740478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5122021122 is a wasteful number, since it uses less digits than its factorization.

5122021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928 (or 3922 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 5122021122 is about 71568.2969058228. The cubic root of 5122021122 is about 1723.7745125730.

Adding to 5122021122 its reverse (2211202215), we get a palindrome (7333223337).

The spelling of 5122021122 in words is "five billion, one hundred twenty-two million, twenty-one thousand, one hundred twenty-two".