21103013002302 has 192 divisors, whose sum is σ = 60536866890240. Its totient is φ = 5146857676800.

The previous prime is 21103013002301. The next prime is 21103013002319. The reversal of 21103013002302 is 20320031030112.

21103013002302 is a `hidden beast` number, since 21 + 10 + 30 + 1 + 300 + 2 + 302 = 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 (21103013002301) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 570099 + ... + 6521582.

It is an arithmetic number, because the mean of its divisors is an integer number (315296181720).

Almost surely, 2^{21103013002302} is an apocalyptic number.

21103013002302 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 21103013002302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30268433445120).

21103013002302 is an abundant number, since it is smaller than the sum of its proper divisors (39433853887938).

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

21103013002302 is a wasteful number, since it uses less digits than its factorization.

21103013002302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7091839 (or 7091836 counting only the distinct ones).

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

Adding to 21103013002302 its reverse (20320031030112), we get a palindrome (41423044032414).

The spelling of 21103013002302 in words is "twenty-one trillion, one hundred three billion, thirteen million, two thousand, three hundred two".