21223100220132 has 24 divisors (see below), whose sum is σ = 49522342828672. Its totient is φ = 7074113076000.

The previous prime is 21223100220073. The next prime is 21223100220143. The reversal of 21223100220132 is 23102200132212.

It is a junction number, because it is equal to n+sod(n) for n = 21223100220099 and 21223100220108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31359244 + ... + 32028867.

Almost surely, 2^{21223100220132} is an apocalyptic number.

It is an amenable number.

21223100220132 is an abundant number, since it is smaller than the sum of its proper divisors (28299242608540).

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

21223100220132 is a wasteful number, since it uses less digits than its factorization.

21223100220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63416019 (or 63416017 counting only the distinct ones).

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

Adding to 21223100220132 its reverse (23102200132212), we get a palindrome (44325300352344).

The spelling of 21223100220132 in words is "twenty-one trillion, two hundred twenty-three billion, one hundred million, two hundred twenty thousand, one hundred thirty-two".