1123103021311 has 8 divisors (see below), whose sum is σ = 1153913297040. Its totient is φ = 1092685233408.

The previous prime is 1123103021273. The next prime is 1123103021321. The reversal of 1123103021311 is 1131203013211.

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 1123103021311 - 2²⁹ = 1122566150399 is a prime.

It is a super-2 number, since 2×1123103021311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123103021321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98116156 + ... + 98127601.

It is an arithmetic number, because the mean of its divisors is an integer number (144239162130).

Almost surely, 2^{1123103021311} is an apocalyptic number.

1123103021311 is a deficient number, since it is larger than the sum of its proper divisors (30810275729).

1123103021311 is an equidigital number, since it uses as much as digits as its factorization.

1123103021311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196243913.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1123103021311 its reverse (1131203013211), we get a palindrome (2254306034522).

The spelling of 1123103021311 in words is "one trillion, one hundred twenty-three billion, one hundred three million, twenty-one thousand, three hundred eleven".