101010510103 has 16 divisors (see below), whose sum is σ = 107140334080. Its totient is φ = 94963809024.

The previous prime is 101010510101. The next prime is 101010510109. The reversal of 101010510103 is 301015010101.

It is a cyclic number.

It is not a de Polignac number, because 101010510103 - 2¹ = 101010510101 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 (101010510101) 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, 2060050 + ... + 2108512.

It is an arithmetic number, because the mean of its divisors is an integer number (6696270880).

Almost surely, 2^101010510103 is an apocalyptic number.

101010510103 is a deficient number, since it is larger than the sum of its proper divisors (6129823977).

101010510103 is a wasteful number, since it uses less digits than its factorization.

101010510103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49318.

The product of its (nonzero) digits is 15, while the sum is 13.

Adding to 101010510103 its reverse (301015010101), we get a palindrome (402025520204).

The spelling of 101010510103 in words is "one hundred one billion, ten million, five hundred ten thousand, one hundred three".