100001133123 has 8 divisors (see below), whose sum is σ = 133443339600. Its totient is φ = 66613174368.

The previous prime is 100001133109. The next prime is 100001133151. The reversal of 100001133123 is 321331100001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100001133123 - 2⁵ = 100001133091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100001133623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13557628 + ... + 13565001.

It is an arithmetic number, because the mean of its divisors is an integer number (16680417450).

Almost surely, 2^100001133123 is an apocalyptic number.

100001133123 is a deficient number, since it is larger than the sum of its proper divisors (33442206477).

100001133123 is a wasteful number, since it uses less digits than its factorization.

100001133123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27123861.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 100001133123 its reverse (321331100001), we get a palindrome (421332233124).

The spelling of 100001133123 in words is "one hundred billion, one million, one hundred thirty-three thousand, one hundred twenty-three".