21223100033130 has 64 divisors (see below), whose sum is σ = 51056741664000. Its totient is φ = 5646019276800.

The previous prime is 21223100033129. The next prime is 21223100033159. The reversal of 21223100033130 is 3133000132212.

It is a junction number, because it is equal to n+sod(n) for n = 21223100033097 and 21223100033106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89848180 + ... + 90084080.

It is an arithmetic number, because the mean of its divisors is an integer number (797761588500).

Almost surely, 2^{21223100033130} is an apocalyptic number.

21223100033130 is an abundant number, since it is smaller than the sum of its proper divisors (29833641630870).

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

21223100033130 is a wasteful number, since it uses less digits than its factorization.

21223100033130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243039.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21223100033130 its reverse (3133000132212), we get a palindrome (24356100165342).

The spelling of 21223100033130 in words is "twenty-one trillion, two hundred twenty-three billion, one hundred million, thirty-three thousand, one hundred thirty".