1101233211123 has 16 divisors (see below), whose sum is σ = 1480446384896. Its totient is φ = 728103621600.

The previous prime is 1101233211041. The next prime is 1101233211131. The reversal of 1101233211123 is 3211123321011.

It is not a de Polignac number, because 1101233211123 - 2⁹ = 1101233210611 is a prime.

It is a super-2 number, since 2×1101233211123² (a number of 25 digits) contains 22 as substring.

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 1101233211123.

It is not an unprimeable number, because it can be changed into a prime (1101233211173) 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 15 ways as a sum of consecutive naturals, for example, 1705165 + ... + 2260542.

It is an arithmetic number, because the mean of its divisors is an integer number (92527899056).

Almost surely, 2^{1101233211123} is an apocalyptic number.

1101233211123 is a deficient number, since it is larger than the sum of its proper divisors (379213173773).

1101233211123 is a wasteful number, since it uses less digits than its factorization.

1101233211123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966474.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1101233211123 its reverse (3211123321011), we get a palindrome (4312356532134).

The spelling of 1101233211123 in words is "one trillion, one hundred one billion, two hundred thirty-three million, two hundred eleven thousand, one hundred twenty-three".