21403200102 has 8 divisors (see below), whose sum is σ = 42806400216. Its totient is φ = 7134400032.

The previous prime is 21403200089. The next prime is 21403200127. The reversal of 21403200102 is 20100230412.

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

21403200102 is an admirable number.

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, 1783600003 + ... + 1783600014.

It is an arithmetic number, because the mean of its divisors is an integer number (5350800027).

Almost surely, 2^21403200102 is an apocalyptic number.

21403200102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21403200102 is a wasteful number, since it uses less digits than its factorization.

21403200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3567200022.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 21403200102 its reverse (20100230412), we get a palindrome (41503430514).

The spelling of 21403200102 in words is "twenty-one billion, four hundred three million, two hundred thousand, one hundred two".