1103323212311 has 16 divisors (see below), whose sum is σ = 1143349585920. Its totient is φ = 1064163314880.

The previous prime is 1103323212221. The next prime is 1103323212317. The reversal of 1103323212311 is 1132123233011.

It is not a de Polignac number, because 1103323212311 - 2²² = 1103319018007 is a prime.

It is a super-2 number, since 2×1103323212311² (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 (1103323212317) 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, 152036 + ... + 1493238.

It is an arithmetic number, because the mean of its divisors is an integer number (71459349120).

Almost surely, 2^{1103323212311} is an apocalyptic number.

1103323212311 is a deficient number, since it is larger than the sum of its proper divisors (40026373609).

1103323212311 is a wasteful number, since it uses less digits than its factorization.

1103323212311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341526.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1103323212311 its reverse (1132123233011), we get a palindrome (2235446445322).

The spelling of 1103323212311 in words is "one trillion, one hundred three billion, three hundred twenty-three million, two hundred twelve thousand, three hundred eleven".