21240546030103 has 8 divisors (see below), whose sum is σ = 21248934533120. Its totient is φ = 21232158887160.

The previous prime is 21240546030101. The next prime is 21240546030131. The reversal of 21240546030103 is 30103064504212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21240546030103 - 2¹ = 21240546030101 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 (21240546030101) 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 7 ways as a sum of consecutive naturals, for example, 31486378 + ... + 32153896.

It is an arithmetic number, because the mean of its divisors is an integer number (2656116816640).

Almost surely, 2^{21240546030103} is an apocalyptic number.

21240546030103 is a deficient number, since it is larger than the sum of its proper divisors (8388503017).

21240546030103 is an equidigital number, since it uses as much as digits as its factorization.

21240546030103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680037.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 21240546030103 in words is "twenty-one trillion, two hundred forty billion, five hundred forty-six million, thirty thousand, one hundred three".