11100123242 has 32 divisors (see below), whose sum is σ = 19811215872. Its totient is φ = 4612126464.

The previous prime is 11100123239. The next prime is 11100123263. The reversal of 11100123242 is 24232100111.

11100123242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×11100123242³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 11100123242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535778 + ... + 556109.

It is an arithmetic number, because the mean of its divisors is an integer number (619100496).

Almost surely, 2^11100123242 is an apocalyptic number.

11100123242 is a deficient number, since it is larger than the sum of its proper divisors (8711092630).

11100123242 is a wasteful number, since it uses less digits than its factorization.

11100123242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091942.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11100123242 its reverse (24232100111), we get a palindrome (35332223353).

The spelling of 11100123242 in words is "eleven billion, one hundred million, one hundred twenty-three thousand, two hundred forty-two".