1100111112123 has 8 divisors (see below), whose sum is σ = 1466822339136. Its totient is φ = 733403646600.

The previous prime is 1100111112109. The next prime is 1100111112209. The reversal of 1100111112123 is 3212111110011.

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

It is not a de Polignac number, because 1100111112123 - 2¹⁸ = 1100110849979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1100111110123) 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, 167113 + ... + 1492698.

It is an arithmetic number, because the mean of its divisors is an integer number (183352792392).

Almost surely, 2^{1100111112123} is an apocalyptic number.

1100111112123 is a deficient number, since it is larger than the sum of its proper divisors (366711227013).

1100111112123 is a wasteful number, since it uses less digits than its factorization.

1100111112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880745.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1100111112123 its reverse (3212111110011), we get a palindrome (4312222222134).

The spelling of 1100111112123 in words is "one trillion, one hundred billion, one hundred eleven million, one hundred twelve thousand, one hundred twenty-three".