100123311311 has 4 divisors (see below), whose sum is σ = 100144354800. Its totient is φ = 100102267824.

The previous prime is 100123311307. The next prime is 100123311359. The reversal of 100123311311 is 113113321001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113113321001 = 233 ⋅485464897.

It is a cyclic number.

It is not a de Polignac number, because 100123311311 - 2² = 100123311307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100123311311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100123311361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10514606 + ... + 10524123.

It is an arithmetic number, because the mean of its divisors is an integer number (25036088700).

Almost surely, 2^100123311311 is an apocalyptic number.

100123311311 is a deficient number, since it is larger than the sum of its proper divisors (21043489).

100123311311 is an equidigital number, since it uses as much as digits as its factorization.

100123311311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21043488.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 100123311311 its reverse (113113321001), we get a palindrome (213236632312).

The spelling of 100123311311 in words is "one hundred billion, one hundred twenty-three million, three hundred eleven thousand, three hundred eleven".