1123213311041 has 4 divisors (see below), whose sum is σ = 1124673927300. Its totient is φ = 1121752694784.

The previous prime is 1123213310983. The next prime is 1123213311047. The reversal of 1123213311041 is 1401133123211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 587528382016 + 535684929025 = 766504^2 + 731905^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123213311041 - 2⁶ = 1123213310977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123213310998 and 1123213311016.

It is not an unprimeable number, because it can be changed into a prime (1123213311047) 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, 730306976 + ... + 730308513.

It is an arithmetic number, because the mean of its divisors is an integer number (281168481825).

Almost surely, 2^{1123213311041} is an apocalyptic number.

It is an amenable number.

1123213311041 is a deficient number, since it is larger than the sum of its proper divisors (1460616259).

1123213311041 is an equidigital number, since it uses as much as digits as its factorization.

1123213311041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460616258.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1123213311041 its reverse (1401133123211), we get a palindrome (2524346434252).

The spelling of 1123213311041 in words is "one trillion, one hundred twenty-three billion, two hundred thirteen million, three hundred eleven thousand, forty-one".