21300023103120 has 160 divisors (see below), whose sum is σ = 75896634268800. Its totient is φ = 5484143863296.

The previous prime is 21300023103119. The next prime is 21300023103209. The reversal of 21300023103120 is 2130132000312.

21300023103120 is a `hidden beast` number, since 2 + 1 + 300 + 0 + 2 + 310 + 31 + 20 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 21300023103093 and 21300023103102.

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 31 ways as a sum of consecutive naturals, for example, 169956702 + ... + 170081981.

It is an arithmetic number, because the mean of its divisors is an integer number (474353964180).

Almost surely, 2^{21300023103120} is an apocalyptic number.

21300023103120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21300023103120 is an abundant number, since it is smaller than the sum of its proper divisors (54596611165680).

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

21300023103120 is a wasteful number, since it uses less digits than its factorization.

21300023103120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340038734 (or 340038722 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21300023103120 its reverse (2130132000312), we get a palindrome (23430155103432).

The spelling of 21300023103120 in words is "twenty-one trillion, three hundred billion, twenty-three million, one hundred three thousand, one hundred twenty".