1123113011201 has 16 divisors (see below), whose sum is σ = 1216180569600. Its totient is φ = 1033965565248.

The previous prime is 1123113011177. The next prime is 1123113011203. The reversal of 1123113011201 is 1021103113211.

It is not a de Polignac number, because 1123113011201 - 2³⁸ = 848235104257 is a prime.

It is a super-2 number, since 2×1123113011201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123113011201.

It is not an unprimeable number, because it can be changed into a prime (1123113011203) 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, 2444441 + ... + 2867318.

It is an arithmetic number, because the mean of its divisors is an integer number (76011285600).

Almost surely, 2^{1123113011201} is an apocalyptic number.

It is an amenable number.

1123113011201 is a deficient number, since it is larger than the sum of its proper divisors (93067558399).

1123113011201 is a wasteful number, since it uses less digits than its factorization.

1123113011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5312128.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1123113011201 its reverse (1021103113211), we get a palindrome (2144216124412).

The spelling of 1123113011201 in words is "one trillion, one hundred twenty-three billion, one hundred thirteen million, eleven thousand, two hundred one".