11312111101123 has 6 divisors (see below), whose sum is σ = 13158986382996. Its totient is φ = 9696095229492.

The previous prime is 11312111101121. The next prime is 11312111101153. The reversal of 11312111101123 is 32110111121311.

It is not a de Polignac number, because 11312111101123 - 2¹ = 11312111101121 is a prime.

It is a super-2 number, since 2×11312111101123² (a number of 27 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 11312111101123.

It is not an unprimeable number, because it can be changed into a prime (11312111101121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115429705065 + ... + 115429705162.

It is an arithmetic number, because the mean of its divisors is an integer number (2193164397166).

Almost surely, 2^{11312111101123} is an apocalyptic number.

11312111101123 is a deficient number, since it is larger than the sum of its proper divisors (1846875281873).

11312111101123 is an equidigital number, since it uses as much as digits as its factorization.

11312111101123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230859410241 (or 230859410234 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 11312111101123 its reverse (32110111121311), we get a palindrome (43422222222434).

The spelling of 11312111101123 in words is "eleven trillion, three hundred twelve billion, one hundred eleven million, one hundred one thousand, one hundred twenty-three".