21112323302 has 16 divisors (see below), whose sum is σ = 36452935680. Its totient is φ = 8983043208.

The previous prime is 21112323293. The next prime is 21112323311. The reversal of 21112323302 is 20332321112.

It is an interprime number because it is at equal distance from previous prime (21112323293) and next prime (21112323311).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5422598 + ... + 5426489.

It is an arithmetic number, because the mean of its divisors is an integer number (2278308480).

Almost surely, 2^21112323302 is an apocalyptic number.

21112323302 is a deficient number, since it is larger than the sum of its proper divisors (15340612378).

21112323302 is a wasteful number, since it uses less digits than its factorization.

21112323302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10849235.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21112323302 its reverse (20332321112), we get a palindrome (41444644414).

The spelling of 21112323302 in words is "twenty-one billion, one hundred twelve million, three hundred twenty-three thousand, three hundred two".