100003133101 has 4 divisors (see below), whose sum is σ = 101126763900. Its totient is φ = 98879502304.

The previous prime is 100003133099. The next prime is 100003133117. The reversal of 100003133101 is 101331300001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101331300001 = 157 ⋅645422293.

It can be written as a sum of positive squares in 2 ways, for example, as 13007630601 + 86995502500 = 114051^2 + 294950^2 .

It is a cyclic number.

It is not a de Polignac number, because 100003133101 - 2¹ = 100003133099 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 (100003133141) 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, 561815266 + ... + 561815443.

It is an arithmetic number, because the mean of its divisors is an integer number (25281690975).

Almost surely, 2^100003133101 is an apocalyptic number.

It is an amenable number.

100003133101 is a deficient number, since it is larger than the sum of its proper divisors (1123630799).

100003133101 is an equidigital number, since it uses as much as digits as its factorization.

100003133101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123630798.

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 100003133101 its reverse (101331300001), we get a palindrome (201334433102).

The spelling of 100003133101 in words is "one hundred billion, three million, one hundred thirty-three thousand, one hundred one".