1123103113311 has 8 divisors (see below), whose sum is σ = 1497850228224. Its totient is φ = 748545703640.

The previous prime is 1123103113303. The next prime is 1123103113331. The reversal of 1123103113311 is 1133113013211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123103113311 - 2³ = 1123103113303 is a prime.

It is a super-2 number, since 2×1123103113311² (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 (1123103113331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47412495 + ... + 47436176.

It is an arithmetic number, because the mean of its divisors is an integer number (187231278528).

Almost surely, 2^{1123103113311} is an apocalyptic number.

1123103113311 is a deficient number, since it is larger than the sum of its proper divisors (374747114913).

1123103113311 is an equidigital number, since it uses as much as digits as its factorization.

1123103113311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94852621.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 1123103113311 its reverse (1133113013211), we get a palindrome (2256216126522).

The spelling of 1123103113311 in words is "one trillion, one hundred twenty-three billion, one hundred three million, one hundred thirteen thousand, three hundred eleven".