21322333130 has 128 divisors (see below), whose sum is σ = 46994162688. Its totient is φ = 6799491072.

The previous prime is 21322333117. The next prime is 21322333139. The reversal of 21322333130 is 3133322312.

It is a junction number, because it is equal to n+sod(n) for n = 21322333096 and 21322333105.

It is not an unprimeable number, because it can be changed into a prime (21322333139) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60403034 + ... + 60403386.

It is an arithmetic number, because the mean of its divisors is an integer number (367141896).

Almost surely, 2^21322333130 is an apocalyptic number.

21322333130 is an abundant number, since it is smaller than the sum of its proper divisors (25671829558).

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

21322333130 is a wasteful number, since it uses less digits than its factorization.

21322333130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 21322333130 its reverse (3133322312), we get a palindrome (24455655442).

The spelling of 21322333130 in words is "twenty-one billion, three hundred twenty-two million, three hundred thirty-three thousand, one hundred thirty".