105021510103 has 2 divisors, whose sum is σ = 105021510104. Its totient is φ = 105021510102.

The previous prime is 105021510101. The next prime is 105021510133. The reversal of 105021510103 is 301015120501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105021510103 - 2¹ = 105021510101 is a prime.

It is a super-2 number, since 2×105021510103² (a number of 23 digits) contains 22 as substring.

Together with 105021510101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105021510101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52510755051 + 52510755052.

It is an arithmetic number, because the mean of its divisors is an integer number (52510755052).

Almost surely, 2^105021510103 is an apocalyptic number.

105021510103 is a deficient number, since it is larger than the sum of its proper divisors (1).

105021510103 is an equidigital number, since it uses as much as digits as its factorization.

105021510103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 105021510103 its reverse (301015120501), we get a palindrome (406036630604).

The spelling of 105021510103 in words is "one hundred five billion, twenty-one million, five hundred ten thousand, one hundred three".