21113113201300 has 36 divisors (see below), whose sum is σ = 45842906851420. Its totient is φ = 8440185150720.

The previous prime is 21113113201249. The next prime is 21113113201303. The reversal of 21113113201300 is 310231131112.

It can be written as a sum of positive squares in 6 ways, for example, as 2211609173904 + 18901504027396 = 1487148^2 + 4347586^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113113201303) by changing a digit.

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, 63083889 + ... + 63417688.

Almost surely, 2^{21113113201300} is an apocalyptic number.

21113113201300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21113113201300 is an abundant number, since it is smaller than the sum of its proper divisors (24729793650120).

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

21113113201300 is a wasteful number, since it uses less digits than its factorization.

21113113201300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126503260 (or 126503253 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 21113113201300 its reverse (310231131112), we get a palindrome (21423344332412).

The spelling of 21113113201300 in words is "twenty-one trillion, one hundred thirteen billion, one hundred thirteen million, two hundred one thousand, three hundred".