1100122212123 has 12 divisors (see below), whose sum is σ = 1733525910168. Its totient is φ = 666740734560.

The previous prime is 1100122212109. The next prime is 1100122212169. The reversal of 1100122212123 is 3212122210011.

It is not a de Polignac number, because 1100122212123 - 2⁹ = 1100122211611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100122212096 and 1100122212105.

It is not an unprimeable number, because it can be changed into a prime (1100122212023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5556172690 + ... + 5556172887.

It is an arithmetic number, because the mean of its divisors is an integer number (144460492514).

Almost surely, 2^{1100122212123} is an apocalyptic number.

1100122212123 is a deficient number, since it is larger than the sum of its proper divisors (633403698045).

1100122212123 is a wasteful number, since it uses less digits than its factorization.

1100122212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11112345594 (or 11112345591 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1100122212123 its reverse (3212122210011), we get a palindrome (4312244422134).

The spelling of 1100122212123 in words is "one trillion, one hundred billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twenty-three".