21140221323202 has 8 divisors (see below), whose sum is σ = 31753241773200. Its totient is φ = 10555807398804.

The previous prime is 21140221323191. The next prime is 21140221323211. The reversal of 21140221323202 is 20232312204112.

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

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 3 ways as a sum of consecutive naturals, for example, 7151629552 + ... + 7151632507.

It is an arithmetic number, because the mean of its divisors is an integer number (3969155221650).

Almost surely, 2^{21140221323202} is an apocalyptic number.

21140221323202 is a deficient number, since it is larger than the sum of its proper divisors (10613020449998).

21140221323202 is a wasteful number, since it uses less digits than its factorization.

21140221323202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14303262800.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 21140221323202 its reverse (20232312204112), we get a palindrome (41372533527314).

The spelling of 21140221323202 in words is "twenty-one trillion, one hundred forty billion, two hundred twenty-one million, three hundred twenty-three thousand, two hundred two".