21302100232014 has 128 divisors (see below), whose sum is σ = 51527284162560. Its totient is φ = 5735226933504.

The previous prime is 21302100231911. The next prime is 21302100232067. The reversal of 21302100232014 is 41023200120312.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 112072722 + ... + 112262634.

It is an arithmetic number, because the mean of its divisors is an integer number (402556907520).

Almost surely, 2^{21302100232014} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21302100232014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25763642081280).

21302100232014 is an abundant number, since it is smaller than the sum of its proper divisors (30225183930546).

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

21302100232014 is a wasteful number, since it uses less digits than its factorization.

21302100232014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190694.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21302100232014 its reverse (41023200120312), we get a palindrome (62325300352326).

The spelling of 21302100232014 in words is "twenty-one trillion, three hundred two billion, one hundred million, two hundred thirty-two thousand, fourteen".