11112102231123 has 16 divisors (see below), whose sum is σ = 15715838363040. Its totient is φ = 6959781828096.

The previous prime is 11112102231119. The next prime is 11112102231137. The reversal of 11112102231123 is 32113220121111.

It is not a de Polignac number, because 11112102231123 - 2² = 11112102231119 is a prime.

It is a super-2 number, since 2×11112102231123² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11112102231123.

It is not an unprimeable number, because it can be changed into a prime (11112102239123) 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, 195558988 + ... + 195615801.

It is an arithmetic number, because the mean of its divisors is an integer number (982239897690).

Almost surely, 2^{11112102231123} is an apocalyptic number.

11112102231123 is a deficient number, since it is larger than the sum of its proper divisors (4603736131917).

11112102231123 is a wasteful number, since it uses less digits than its factorization.

11112102231123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391175366.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 11112102231123 its reverse (32113220121111), we get a palindrome (43225322352234).

The spelling of 11112102231123 in words is "eleven trillion, one hundred twelve billion, one hundred two million, two hundred thirty-one thousand, one hundred twenty-three".