1123300331011 has 4 divisors (see below), whose sum is σ = 1123329962992. Its totient is φ = 1123270699032.

The previous prime is 1123300330979. The next prime is 1123300331029. The reversal of 1123300331011 is 1101330033211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1123300331011 - 2⁵ = 1123300330979 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 1123300331011.

It is not an unprimeable number, because it can be changed into a prime (1123300331051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14759055 + ... + 14834968.

It is an arithmetic number, because the mean of its divisors is an integer number (280832490748).

Almost surely, 2^{1123300331011} is an apocalyptic number.

1123300331011 is a deficient number, since it is larger than the sum of its proper divisors (29631981).

1123300331011 is an equidigital number, since it uses as much as digits as its factorization.

1123300331011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29631980.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1123300331011 its reverse (1101330033211), we get a palindrome (2224630364222).

The spelling of 1123300331011 in words is "one trillion, one hundred twenty-three billion, three hundred million, three hundred thirty-one thousand, eleven".