52021221124 has 12 divisors (see below), whose sum is σ = 92974097664. Its totient is φ = 25457193224.

The previous prime is 52021221073. The next prime is 52021221137. The reversal of 52021221124 is 42112212025.

It is a junction number, because it is equal to n+sod(n) for n = 52021221095 and 52021221104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138354124 + ... + 138354499.

It is an arithmetic number, because the mean of its divisors is an integer number (7747841472).

Almost surely, 2^52021221124 is an apocalyptic number.

It is an amenable number.

52021221124 is a deficient number, since it is larger than the sum of its proper divisors (40952876540).

52021221124 is a wasteful number, since it uses less digits than its factorization.

52021221124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276708674 (or 276708672 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 52021221124 its reverse (42112212025), we get a palindrome (94133433149).

Subtracting from 52021221124 its reverse (42112212025), we obtain a palindrome (9909009099).

The spelling of 52021221124 in words is "fifty-two billion, twenty-one million, two hundred twenty-one thousand, one hundred twenty-four".