1123033122111 has 16 divisors (see below), whose sum is σ = 1521967195008. Its totient is φ = 736394584800.

The previous prime is 1123033122097. The next prime is 1123033122149. The reversal of 1123033122111 is 1112213303211.

It is not a de Polignac number, because 1123033122111 - 2⁷ = 1123033121983 is a prime.

It is a super-2 number, since 2×1123033122111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123033122191) 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, 9252760 + ... + 9373346.

It is an arithmetic number, because the mean of its divisors is an integer number (95122949688).

Almost surely, 2^{1123033122111} is an apocalyptic number.

1123033122111 is a deficient number, since it is larger than the sum of its proper divisors (398934072897).

1123033122111 is a wasteful number, since it uses less digits than its factorization.

1123033122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171542.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1123033122111 its reverse (1112213303211), we get a palindrome (2235246425322).

The spelling of 1123033122111 in words is "one trillion, one hundred twenty-three billion, thirty-three million, one hundred twenty-two thousand, one hundred eleven".