21100332410 has 16 divisors (see below), whose sum is σ = 37982683296. Its totient is φ = 8439669648.

The previous prime is 21100332389. The next prime is 21100332419. The reversal of 21100332410 is 1423300112.

It is not an unprimeable number, because it can be changed into a prime (21100332419) 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 7 ways as a sum of consecutive naturals, for example, 179837 + ... + 273023.

It is an arithmetic number, because the mean of its divisors is an integer number (2373917706).

Almost surely, 2^21100332410 is an apocalyptic number.

21100332410 is a deficient number, since it is larger than the sum of its proper divisors (16882350886).

21100332410 is a wasteful number, since it uses less digits than its factorization.

21100332410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115837.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21100332410 its reverse (1423300112), we get a palindrome (22523632522).

The spelling of 21100332410 in words is "twenty-one billion, one hundred million, three hundred thirty-two thousand, four hundred ten".