220321132122 has 96 divisors (see below), whose sum is σ = 564113047680. Its totient is φ = 56102941440.

The previous prime is 220321132079. The next prime is 220321132123. The reversal of 220321132122 is 221231123022.

220321132122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (220321132123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 329329 + ... + 741012.

It is an arithmetic number, because the mean of its divisors is an integer number (5876177580).

Almost surely, 2^220321132122 is an apocalyptic number.

220321132122 is an abundant number, since it is smaller than the sum of its proper divisors (343791915558).

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

220321132122 is a wasteful number, since it uses less digits than its factorization.

220321132122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070408 (or 1070395 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 220321132122 its reverse (221231123022), we get a palindrome (441552255144).

The spelling of 220321132122 in words is "two hundred twenty billion, three hundred twenty-one million, one hundred thirty-two thousand, one hundred twenty-two".