21107014102482 has 128 divisors (see below), whose sum is σ = 55407930163200. Its totient is φ = 5193100641600.

The previous prime is 21107014102481. The next prime is 21107014102541. The reversal of 21107014102482 is 28420141070112.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (21107014102481) 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 63 ways as a sum of consecutive naturals, for example, 66897757 + ... + 67212527.

It is an arithmetic number, because the mean of its divisors is an integer number (432874454400).

Almost surely, 2^{21107014102482} is an apocalyptic number.

21107014102482 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 21107014102482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27703965081600).

21107014102482 is an abundant number, since it is smaller than the sum of its proper divisors (34300916060718).

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

21107014102482 is a wasteful number, since it uses less digits than its factorization.

21107014102482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322452.

The product of its (nonzero) digits is 7168, while the sum is 33.

Adding to 21107014102482 its reverse (28420141070112), we get a palindrome (49527155172594).

The spelling of 21107014102482 in words is "twenty-one trillion, one hundred seven billion, fourteen million, one hundred two thousand, four hundred eighty-two".