1123030113011 has 16 divisors (see below), whose sum is σ = 1190204746560. Its totient is φ = 1055979724800.

The previous prime is 1123030113001. The next prime is 1123030113017. The reversal of 1123030113011 is 1103110303211.

It is not a de Polignac number, because 1123030113011 - 2¹⁴ = 1123030096627 is a prime.

It is a super-2 number, since 2×1123030113011² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123030113017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163489085 + ... + 163495953.

It is an arithmetic number, because the mean of its divisors is an integer number (74387796660).

Almost surely, 2^{1123030113011} is an apocalyptic number.

1123030113011 is a deficient number, since it is larger than the sum of its proper divisors (67174633549).

1123030113011 is a wasteful number, since it uses less digits than its factorization.

1123030113011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14494.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1123030113011 its reverse (1103110303211), we get a palindrome (2226140416222).

The spelling of 1123030113011 in words is "one trillion, one hundred twenty-three billion, thirty million, one hundred thirteen thousand, eleven".