100001001103 has 4 divisors (see below), whose sum is σ = 101266836640. Its totient is φ = 98735165568.

The previous prime is 100001001101. The next prime is 100001001119. The reversal of 100001001103 is 301100100001.

It is a happy number.

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 100001001103 - 2¹ = 100001001101 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 (100001001101) 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, 632917650 + ... + 632917807.

It is an arithmetic number, because the mean of its divisors is an integer number (25316709160).

Almost surely, 2^100001001103 is an apocalyptic number.

100001001103 is a deficient number, since it is larger than the sum of its proper divisors (1265835537).

100001001103 is an equidigital number, since it uses as much as digits as its factorization.

100001001103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265835536.

The product of its (nonzero) digits is 3, while the sum is 7.

Adding to 100001001103 its reverse (301100100001), we get a palindrome (401101101104).

The spelling of 100001001103 in words is "one hundred billion, one million, one thousand, one hundred three".