1123030012011 has 16 divisors (see below), whose sum is σ = 1546711188480. Its totient is φ = 724050113760.

The previous prime is 1123030012009. The next prime is 1123030012043. The reversal of 1123030012011 is 1102100303211.

It is a happy number.

It is not a de Polignac number, because 1123030012011 - 2¹ = 1123030012009 is a prime.

It is a super-2 number, since 2×1123030012011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123030012001) 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, 3905221 + ... + 4182918.

It is an arithmetic number, because the mean of its divisors is an integer number (96669449280).

Almost surely, 2^{1123030012011} is an apocalyptic number.

1123030012011 is a deficient number, since it is larger than the sum of its proper divisors (423681176469).

1123030012011 is a wasteful number, since it uses less digits than its factorization.

1123030012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8089666.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1123030012011 its reverse (1102100303211), we get a palindrome (2225130315222).

The spelling of 1123030012011 in words is "one trillion, one hundred twenty-three billion, thirty million, twelve thousand, eleven".