100001101124123 has 4 divisors (see below), whose sum is σ = 100066418631288. Its totient is φ = 99935783616960.

The previous prime is 100001101124087. The next prime is 100001101124131. The reversal of 100001101124123 is 321421101100001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100001101124123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100001101121123) 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, 32658751286 + ... + 32658754347.

It is an arithmetic number, because the mean of its divisors is an integer number (25016604657822).

Almost surely, 2^{100001101124123} is an apocalyptic number.

100001101124123 is a deficient number, since it is larger than the sum of its proper divisors (65317507165).

100001101124123 is an equidigital number, since it uses as much as digits as its factorization.

100001101124123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65317507164.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 100001101124123 its reverse (321421101100001), we get a palindrome (421422202224124).

The spelling of 100001101124123 in words is "one hundred trillion, one billion, one hundred one million, one hundred twenty-four thousand, one hundred twenty-three".