2132321110220 has 96 divisors (see below), whose sum is σ = 5227631861760. Its totient is φ = 715365504000.

The previous prime is 2132321110211. The next prime is 2132321110303. The reversal of 2132321110220 is 220111232312.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2132321110192 and 2132321110201.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 31227476 + ... + 31295684.

It is an arithmetic number, because the mean of its divisors is an integer number (54454498560).

Almost surely, 2^{2132321110220} is an apocalyptic number.

2132321110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2132321110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2613815930880).

2132321110220 is an abundant number, since it is smaller than the sum of its proper divisors (3095310751540).

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

2132321110220 is a wasteful number, since it uses less digits than its factorization.

2132321110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73023 (or 73021 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2132321110220 its reverse (220111232312), we get a palindrome (2352432342532).

The spelling of 2132321110220 in words is "two trillion, one hundred thirty-two billion, three hundred twenty-one million, one hundred ten thousand, two hundred twenty".