103520221505 has 8 divisors (see below), whose sum is σ = 125117966400. Its totient is φ = 82220376816.

The previous prime is 103520221423. The next prime is 103520221507. The reversal of 103520221505 is 505122025301.

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 103520221505 - 2⁸ = 103520221249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103520221507) 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, 74474285 + ... + 74475674.

It is an arithmetic number, because the mean of its divisors is an integer number (15639745800).

Almost surely, 2^103520221505 is an apocalyptic number.

It is an amenable number.

103520221505 is a deficient number, since it is larger than the sum of its proper divisors (21597744895).

103520221505 is a wasteful number, since it uses less digits than its factorization.

103520221505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148950103.

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 103520221505 its reverse (505122025301), we get a palindrome (608642246806).

The spelling of 103520221505 in words is "one hundred three billion, five hundred twenty million, two hundred twenty-one thousand, five hundred five".