21103330100232 has 32 divisors (see below), whose sum is σ = 52772089718880. Its totient is φ = 7032608104320.

The previous prime is 21103330100221. The next prime is 21103330100233. The reversal of 21103330100232 is 23200103330112.

It is a junction number, because it is equal to n+sod(n) for n = 21103330100199 and 21103330100208.

It is not an unprimeable number, because it can be changed into a prime (21103330100233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114609994 + ... + 114793977.

It is an arithmetic number, because the mean of its divisors is an integer number (1649127803715).

Almost surely, 2^{21103330100232} is an apocalyptic number.

It is an amenable number.

21103330100232 is an abundant number, since it is smaller than the sum of its proper divisors (31668759618648).

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

21103330100232 is a wasteful number, since it uses less digits than its factorization.

21103330100232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229407813 (or 229407809 counting only the distinct ones).

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

Adding to 21103330100232 its reverse (23200103330112), we get a palindrome (44303433430344).

The spelling of 21103330100232 in words is "twenty-one trillion, one hundred three billion, three hundred thirty million, one hundred thousand, two hundred thirty-two".