11012302111 has 4 divisors (see below), whose sum is σ = 11013301000. Its totient is φ = 11011303224.

The previous prime is 11012302097. The next prime is 11012302129. The reversal of 11012302111 is 11120321011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11012302111 - 2¹⁹ = 11011777823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012302091 and 11012302100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012302141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482721 + ... + 505018.

It is an arithmetic number, because the mean of its divisors is an integer number (2753325250).

Almost surely, 2^11012302111 is an apocalyptic number.

11012302111 is a deficient number, since it is larger than the sum of its proper divisors (998889).

11012302111 is an equidigital number, since it uses as much as digits as its factorization.

11012302111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998888.

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

Adding to 11012302111 its reverse (11120321011), we get a palindrome (22132623122).

The spelling of 11012302111 in words is "eleven billion, twelve million, three hundred two thousand, one hundred eleven".