11011112201123 has 16 divisors (see below), whose sum is σ = 11683893301920. Its totient is φ = 10341125683200.

The previous prime is 11011112201107. The next prime is 11011112201129. The reversal of 11011112201123 is 32110221111011.

It is a cyclic number.

It is not a de Polignac number, because 11011112201123 - 2⁴ = 11011112201107 is a prime.

It is a super-2 number, since 2×11011112201123² (a number of 27 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 (11011112201129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38909528 + ... + 39191498.

It is an arithmetic number, because the mean of its divisors is an integer number (730243331370).

Almost surely, 2^{11011112201123} is an apocalyptic number.

11011112201123 is a deficient number, since it is larger than the sum of its proper divisors (672781100797).

11011112201123 is a wasteful number, since it uses less digits than its factorization.

11011112201123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286918.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11011112201123 its reverse (32110221111011), we get a palindrome (43121333312134).

The spelling of 11011112201123 in words is "eleven trillion, eleven billion, one hundred twelve million, two hundred one thousand, one hundred twenty-three".