21113202002102 has 8 divisors (see below), whose sum is σ = 36194060575056. Its totient is φ = 9048515143752.

The previous prime is 21113202002041. The next prime is 21113202002107. The reversal of 21113202002102 is 20120020231112.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113202002107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754042928633 + ... + 754042928660.

It is an arithmetic number, because the mean of its divisors is an integer number (4524257571882).

Almost surely, 2^{21113202002102} is an apocalyptic number.

21113202002102 is a deficient number, since it is larger than the sum of its proper divisors (15080858572954).

21113202002102 is a wasteful number, since it uses less digits than its factorization.

21113202002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508085857302.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21113202002102 its reverse (20120020231112), we get a palindrome (41233222233214).

The spelling of 21113202002102 in words is "twenty-one trillion, one hundred thirteen billion, two hundred two million, two thousand, one hundred two".