105220331525103 has 4 divisors (see below), whose sum is σ = 140293775366808. Its totient is φ = 70146887683400.

The previous prime is 105220331525081. The next prime is 105220331525117. The reversal of 105220331525103 is 301525133022501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105220331525103 - 2⁹ = 105220331524591 is a prime.

It is a super-2 number, since 2×105220331525103² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105220331525143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17536721920848 + ... + 17536721920853.

It is an arithmetic number, because the mean of its divisors is an integer number (35073443841702).

Almost surely, 2^{105220331525103} is an apocalyptic number.

105220331525103 is a deficient number, since it is larger than the sum of its proper divisors (35073443841705).

105220331525103 is an equidigital number, since it uses as much as digits as its factorization.

105220331525103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35073443841704.

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 105220331525103 its reverse (301525133022501), we get a palindrome (406745464547604).

The spelling of 105220331525103 in words is "one hundred five trillion, two hundred twenty billion, three hundred thirty-one million, five hundred twenty-five thousand, one hundred three".