21101112301300 has 36 divisors (see below), whose sum is σ = 45919128823596. Its totient is φ = 8416534297600.

The previous prime is 21101112301253. The next prime is 21101112301337. The reversal of 21101112301300 is 310321110112.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2812369248144 + 18288743053156 = 1677012^2 + 4276534^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298847311 + ... + 298917910.

It is an arithmetic number, because the mean of its divisors is an integer number (1275531356211).

Almost surely, 2^{21101112301300} is an apocalyptic number.

21101112301300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21101112301300 is an abundant number, since it is smaller than the sum of its proper divisors (24818016522296).

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

21101112301300 is a wasteful number, since it uses less digits than its factorization.

21101112301300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597765588 (or 597765581 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 21101112301300 its reverse (310321110112), we get a palindrome (21411433411412).

The spelling of 21101112301300 in words is "twenty-one trillion, one hundred one billion, one hundred twelve million, three hundred one thousand, three hundred".