1123210013011 has 16 divisors (see below), whose sum is σ = 1242032823360. Its totient is φ = 1012026695680.

The previous prime is 1123210012979. The next prime is 1123210013017. The reversal of 1123210013011 is 1103100123211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1123210013011 - 2⁵ = 1123210012979 is a prime.

It is a super-2 number, since 2×1123210013011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123210013017) 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, 20508910 + ... + 20563603.

It is an arithmetic number, because the mean of its divisors is an integer number (77627051460).

Almost surely, 2^{1123210013011} is an apocalyptic number.

1123210013011 is a deficient number, since it is larger than the sum of its proper divisors (118822810349).

1123210013011 is a wasteful number, since it uses less digits than its factorization.

1123210013011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41072606.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1123210013011 its reverse (1103100123211), we get a palindrome (2226310136222).

The spelling of 1123210013011 in words is "one trillion, one hundred twenty-three billion, two hundred ten million, thirteen thousand, eleven".