52101222220 has 12 divisors (see below), whose sum is σ = 109412566704. Its totient is φ = 20840488880.

The previous prime is 52101222211. The next prime is 52101222223. The reversal of 52101222220 is 2222210125.

It is not an unprimeable number, because it can be changed into a prime (52101222223) 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 3 ways as a sum of consecutive naturals, for example, 1302530536 + ... + 1302530575.

It is an arithmetic number, because the mean of its divisors is an integer number (9117713892).

Almost surely, 2^52101222220 is an apocalyptic number.

It is an amenable number.

52101222220 is an abundant number, since it is smaller than the sum of its proper divisors (57311344484).

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

52101222220 is a wasteful number, since it uses less digits than its factorization.

52101222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605061120 (or 2605061118 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 52101222220 its reverse (2222210125), we get a palindrome (54323432345).

The spelling of 52101222220 in words is "fifty-two billion, one hundred one million, two hundred twenty-two thousand, two hundred twenty".