21402313110200 has 96 divisors (see below), whose sum is σ = 54821515104720. Its totient is φ = 7705603200000.

The previous prime is 21402313110161. The next prime is 21402313110247. The reversal of 21402313110200 is 201131320412.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47937821 + ... + 48382220.

Almost surely, 2^{21402313110200} is an apocalyptic number.

21402313110200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21402313110200 is an abundant number, since it is smaller than the sum of its proper divisors (33419201994520).

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

21402313110200 is a wasteful number, since it uses less digits than its factorization.

21402313110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96320169 (or 96320160 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21402313110200 its reverse (201131320412), we get a palindrome (21603444430612).

The spelling of 21402313110200 in words is "twenty-one trillion, four hundred two billion, three hundred thirteen million, one hundred ten thousand, two hundred".