1001321222330 has 64 divisors (see below), whose sum is σ = 2118384793728. Its totient is φ = 335964092160.

The previous prime is 1001321222309. The next prime is 1001321222333. The reversal of 1001321222330 is 332221231001.

It is not an unprimeable number, because it can be changed into a prime (1001321222333) 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 31 ways as a sum of consecutive naturals, for example, 3221969 + ... + 3519051.

It is an arithmetic number, because the mean of its divisors is an integer number (33099762402).

Almost surely, 2^{1001321222330} is an apocalyptic number.

1001321222330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001321222330 is an abundant number, since it is smaller than the sum of its proper divisors (1117063571398).

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

1001321222330 is a wasteful number, since it uses less digits than its factorization.

1001321222330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299471.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1001321222330 its reverse (332221231001), we get a palindrome (1333542453331).

The spelling of 1001321222330 in words is "one trillion, one billion, three hundred twenty-one million, two hundred twenty-two thousand, three hundred thirty".