21334202443100 has 36 divisors (see below), whose sum is σ = 46295455614744. Its totient is φ = 8533637417280.

The previous prime is 21334202443019. The next prime is 21334202443123. The reversal of 21334202443100 is 134420243312.

It is a super-2 number, since 2×21334202443100² (a number of 27 digits) contains 22 as substring.

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, 25199882 + ... + 26032718.

Almost surely, 2^{21334202443100} is an apocalyptic number.

21334202443100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21334202443100 is an abundant number, since it is smaller than the sum of its proper divisors (24961253171644).

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

21334202443100 is a wasteful number, since it uses less digits than its factorization.

21334202443100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089014 (or 1089007 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 21334202443100 its reverse (134420243312), we get a palindrome (21468622686412).

The spelling of 21334202443100 in words is "twenty-one trillion, three hundred thirty-four billion, two hundred two million, four hundred forty-three thousand, one hundred".