21300111130032 has 320 divisors, whose sum is σ = 73787486822400. Its totient is φ = 5746900389120.

The previous prime is 21300111130007. The next prime is 21300111130099. The reversal of 21300111130032 is 23003111100312.

21300111130032 is a `hidden beast` number, since 21 + 300 + 1 + 1 + 11 + 300 + 32 = 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 = 21300111129987 and 21300111130014.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17272803 + ... + 18464829.

It is an arithmetic number, because the mean of its divisors is an integer number (230585896320).

Almost surely, 2^{21300111130032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21300111130032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36893743411200).

21300111130032 is an abundant number, since it is smaller than the sum of its proper divisors (52487375692368).

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

21300111130032 is a wasteful number, since it uses less digits than its factorization.

21300111130032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192381 (or 1192369 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 21300111130032 its reverse (23003111100312), we get a palindrome (44303222230344).

The spelling of 21300111130032 in words is "twenty-one trillion, three hundred billion, one hundred eleven million, one hundred thirty thousand, thirty-two".