52021221130 has 16 divisors (see below), whose sum is σ = 94823493120. Its totient is φ = 20545089552.

The previous prime is 52021221073. The next prime is 52021221137. The reversal of 52021221130 is 3112212025.

It is a junction number, because it is equal to n+sod(n) for n = 52021221098 and 52021221107.

It is not an unprimeable number, because it can be changed into a prime (52021221137) 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 7 ways as a sum of consecutive naturals, for example, 32924034 + ... + 32925613.

It is an arithmetic number, because the mean of its divisors is an integer number (5926468320).

Almost surely, 2^52021221130 is an apocalyptic number.

52021221130 is a deficient number, since it is larger than the sum of its proper divisors (42802271990).

52021221130 is a wasteful number, since it uses less digits than its factorization.

52021221130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65849733.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 52021221130 its reverse (3112212025), we get a palindrome (55133433155).

The spelling of 52021221130 in words is "fifty-two billion, twenty-one million, two hundred twenty-one thousand, one hundred thirty".