1102112311 has 2 divisors, whose sum is σ = 1102112312. Its totient is φ = 1102112310.

The previous prime is 1102112299. The next prime is 1102112327. The reversal of 1102112311 is 1132112011.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1132112011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102112311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102112291 and 1102112300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102112381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551056155 + 551056156.

It is an arithmetic number, because the mean of its divisors is an integer number (551056156).

Almost surely, 2^1102112311 is an apocalyptic number.

1102112311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102112311 is an equidigital number, since it uses as much as digits as its factorization.

1102112311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1102112311 is about 33198.0769171951. The cubic root of 1102112311 is about 1032.9404495190.

Adding to 1102112311 its reverse (1132112011), we get a palindrome (2234224322).

It can be divided in two parts, 11021 and 12311, that added together give a palindrome (23332).

The spelling of 1102112311 in words is "one billion, one hundred two million, one hundred twelve thousand, three hundred eleven".