102100001103 has 12 divisors (see below), whose sum is σ = 150615605088. Its totient is φ = 66618440160.

The previous prime is 102100001077. The next prime is 102100001119. The reversal of 102100001103 is 301100001201.

It is not a de Polignac number, because 102100001103 - 2²¹ = 102097903951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102100001153) 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 in 11 ways as a sum of consecutive naturals, for example, 120685158 + ... + 120686003.

It is an arithmetic number, because the mean of its divisors is an integer number (12551300424).

Almost surely, 2^102100001103 is an apocalyptic number.

102100001103 is a deficient number, since it is larger than the sum of its proper divisors (48515603985).

102100001103 is a wasteful number, since it uses less digits than its factorization.

102100001103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241371214 (or 241371211 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 102100001103 its reverse (301100001201), we get a palindrome (403200002304).

The spelling of 102100001103 in words is "one hundred two billion, one hundred million, one thousand, one hundred three".