21043411102 has 8 divisors (see below), whose sum is σ = 36074419056. Its totient is φ = 9018604752.

The previous prime is 21043411073. The next prime is 21043411127. The reversal of 21043411102 is 20111434012.

21043411102 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 21043411102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751550383 + ... + 751550410.

It is an arithmetic number, because the mean of its divisors is an integer number (4509302382).

Almost surely, 2^21043411102 is an apocalyptic number.

21043411102 is a deficient number, since it is larger than the sum of its proper divisors (15031007954).

21043411102 is a wasteful number, since it uses less digits than its factorization.

21043411102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503100802.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 21043411102 its reverse (20111434012), we get a palindrome (41154845114).

The spelling of 21043411102 in words is "twenty-one billion, forty-three million, four hundred eleven thousand, one hundred two".