21113355221334 has 24 divisors (see below), whose sum is σ = 45771878523072. Its totient is φ = 7033742682480.

The previous prime is 21113355221269. The next prime is 21113355221341. The reversal of 21113355221334 is 43312255331112.

21113355221334 is a `hidden beast` number, since 2 + 1 + 113 + 3 + 5 + 522 + 13 + 3 + 4 = 666.

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 11 ways as a sum of consecutive naturals, for example, 336833734 + ... + 336896409.

It is an arithmetic number, because the mean of its divisors is an integer number (1907161605128).

Almost surely, 2^{21113355221334} is an apocalyptic number.

21113355221334 is an abundant number, since it is smaller than the sum of its proper divisors (24658523301738).

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

21113355221334 is a wasteful number, since it uses less digits than its factorization.

21113355221334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673731892 (or 673731889 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The spelling of 21113355221334 in words is "twenty-one trillion, one hundred thirteen billion, three hundred fifty-five million, two hundred twenty-one thousand, three hundred thirty-four".