21113222202302 has 16 divisors (see below), whose sum is σ = 32349377816640. Its totient is φ = 10330175683968.

The previous prime is 21113222202271. The next prime is 21113222202323. The reversal of 21113222202302 is 20320222231112.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 19320527 + ... + 20384042.

It is an arithmetic number, because the mean of its divisors is an integer number (2021836113540).

Almost surely, 2^{21113222202302} is an apocalyptic number.

21113222202302 is a deficient number, since it is larger than the sum of its proper divisors (11236155614338).

21113222202302 is a wasteful number, since it uses less digits than its factorization.

21113222202302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39710275.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21113222202302 its reverse (20320222231112), we get a palindrome (41433444433414).

The spelling of 21113222202302 in words is "twenty-one trillion, one hundred thirteen billion, two hundred twenty-two million, two hundred two thousand, three hundred two".