100123301011 has 4 divisors (see below), whose sum is σ = 102012419952. Its totient is φ = 98234182072.

The previous prime is 100123300939. The next prime is 100123301027. The reversal of 100123301011 is 110103321001.

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 100123301011 - 2¹¹ = 100123298963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100123300982 and 100123301000.

It is not an unprimeable number, because it can be changed into a prime (100123302011) 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 3 ways as a sum of consecutive naturals, for example, 944559391 + ... + 944559496.

It is an arithmetic number, because the mean of its divisors is an integer number (25503104988).

Almost surely, 2^100123301011 is an apocalyptic number.

100123301011 is a deficient number, since it is larger than the sum of its proper divisors (1889118941).

100123301011 is an equidigital number, since it uses as much as digits as its factorization.

100123301011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889118940.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 100123301011 its reverse (110103321001), we get a palindrome (210226622012).

The spelling of 100123301011 in words is "one hundred billion, one hundred twenty-three million, three hundred one thousand, eleven".