21735302602103 has 16 divisors (see below), whose sum is σ = 21884919079296. Its totient is φ = 21586030744320.

The previous prime is 21735302602081. The next prime is 21735302602109. The reversal of 21735302602103 is 30120620353712.

It is a cyclic number.

It is not a de Polignac number, because 21735302602103 - 2¹⁶ = 21735302536567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21735302602109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411759650 + ... + 411812432.

It is an arithmetic number, because the mean of its divisors is an integer number (1367807442456).

Almost surely, 2^{21735302602103} is an apocalyptic number.

21735302602103 is a deficient number, since it is larger than the sum of its proper divisors (149616477193).

21735302602103 is a wasteful number, since it uses less digits than its factorization.

21735302602103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55994.

The product of its (nonzero) digits is 45360, while the sum is 35.

Adding to 21735302602103 its reverse (30120620353712), we get a palindrome (51855922955815).

The spelling of 21735302602103 in words is "twenty-one trillion, seven hundred thirty-five billion, three hundred two million, six hundred two thousand, one hundred three".