1123113201071 has 4 divisors (see below), whose sum is σ = 1182224422200. Its totient is φ = 1064001979944.

The previous prime is 1123113201059. The next prime is 1123113201097. The reversal of 1123113201071 is 1701023113211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123113201071 is a prime.

It is a super-2 number, since 2×1123113201071² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123113201271) 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, 29555610536 + ... + 29555610573.

It is an arithmetic number, because the mean of its divisors is an integer number (295556105550).

Almost surely, 2^{1123113201071} is an apocalyptic number.

1123113201071 is a deficient number, since it is larger than the sum of its proper divisors (59111221129).

1123113201071 is an equidigital number, since it uses as much as digits as its factorization.

1123113201071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59111221128.

The product of its (nonzero) digits is 252, while the sum is 23.

Adding to 1123113201071 its reverse (1701023113211), we get a palindrome (2824136314282).

The spelling of 1123113201071 in words is "one trillion, one hundred twenty-three billion, one hundred thirteen million, two hundred one thousand, seventy-one".