21333020013103 has 16 divisors (see below), whose sum is σ = 21628788604416. Its totient is φ = 21039751233760.

The previous prime is 21333020013101. The next prime is 21333020013121. The reversal of 21333020013103 is 30131002033312.

It is a cyclic number.

It is not a de Polignac number, because 21333020013103 - 2¹ = 21333020013101 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 (21333020013101) 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, 13433550 + ... + 14937412.

It is an arithmetic number, because the mean of its divisors is an integer number (1351799287776).

Almost surely, 2^{21333020013103} is an apocalyptic number.

21333020013103 is a deficient number, since it is larger than the sum of its proper divisors (295768591313).

21333020013103 is a wasteful number, since it uses less digits than its factorization.

21333020013103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504694.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 21333020013103 its reverse (30131002033312), we get a palindrome (51464022046415).

The spelling of 21333020013103 in words is "twenty-one trillion, three hundred thirty-three billion, twenty million, thirteen thousand, one hundred three".