21113334134300 has 36 divisors (see below), whose sum is σ = 46461229947216. Its totient is φ = 8326385289600.

The previous prime is 21113334134287. The next prime is 21113334134303. The reversal of 21113334134300 is 343143331112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113334134303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1486847417 + ... + 1486861616.

It is an arithmetic number, because the mean of its divisors is an integer number (1290589720756).

Almost surely, 2^{21113334134300} is an apocalyptic number.

21113334134300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21113334134300 is an abundant number, since it is smaller than the sum of its proper divisors (25347895812916).

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

21113334134300 is a wasteful number, since it uses less digits than its factorization.

21113334134300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973709118 (or 2973709111 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 21113334134300 its reverse (343143331112), we get a palindrome (21456477465412).

The spelling of 21113334134300 in words is "twenty-one trillion, one hundred thirteen billion, three hundred thirty-four million, one hundred thirty-four thousand, three hundred".