21113313302 has 16 divisors (see below), whose sum is σ = 33535607040. Its totient is φ = 9934877568.

The previous prime is 21113313283. The next prime is 21113313311. The reversal of 21113313302 is 20331331112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 777803 + ... + 804489.

It is an arithmetic number, because the mean of its divisors is an integer number (2095975440).

Almost surely, 2^21113313302 is an apocalyptic number.

21113313302 is a deficient number, since it is larger than the sum of its proper divisors (12422293738).

21113313302 is a wasteful number, since it uses less digits than its factorization.

21113313302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49975.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 21113313302 its reverse (20331331112), we get a palindrome (41444644414).

The spelling of 21113313302 in words is "twenty-one billion, one hundred thirteen million, three hundred thirteen thousand, three hundred two".