21313111101300 has 108 divisors (see below), whose sum is σ = 67609639581120. Its totient is φ = 5615020415040.

The previous prime is 21313111101253. The next prime is 21313111101301. The reversal of 21313111101300 is 310111131312.

21313111101300 is a `hidden beast` number, since 21 + 31 + 311 + 1 + 1 + 0 + 1 + 300 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21313111101301) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 142583340 + ... + 142732739.

Almost surely, 2^{21313111101300} is an apocalyptic number.

21313111101300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21313111101300 is an abundant number, since it is smaller than the sum of its proper divisors (46296528479820).

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

21313111101300 is a wasteful number, since it uses less digits than its factorization.

21313111101300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285316182 (or 285316172 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 21313111101300 its reverse (310111131312), we get a palindrome (21623222232612).

The spelling of 21313111101300 in words is "twenty-one trillion, three hundred thirteen billion, one hundred eleven million, one hundred one thousand, three hundred".