103533443021 has 8 divisors (see below), whose sum is σ = 105340568640. Its totient is φ = 101728061568.

The previous prime is 103533443003. The next prime is 103533443033. The reversal of 103533443021 is 120344335301.

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 103533443021 - 2¹⁰ = 103533441997 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 (103533443071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316001 + ... + 554006.

It is an arithmetic number, because the mean of its divisors is an integer number (13167571080).

Almost surely, 2^103533443021 is an apocalyptic number.

It is an amenable number.

103533443021 is a deficient number, since it is larger than the sum of its proper divisors (1807125619).

103533443021 is an equidigital number, since it uses as much as digits as its factorization.

103533443021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872083.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 103533443021 its reverse (120344335301), we get a palindrome (223877778322).

The spelling of 103533443021 in words is "one hundred three billion, five hundred thirty-three million, four hundred forty-three thousand, twenty-one".