11011112012 has 24 divisors (see below), whose sum is σ = 19376168112. Its totient is φ = 5475142400.

The previous prime is 11011111999. The next prime is 11011112029. The reversal of 11011112012 is 21021111011.

It is a junction number, because it is equal to n+sod(n) for n = 11011111984 and 11011112002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576203 + ... + 595005.

It is an arithmetic number, because the mean of its divisors is an integer number (807340338).

Almost surely, 2^11011112012 is an apocalyptic number.

It is an amenable number.

11011112012 is a deficient number, since it is larger than the sum of its proper divisors (8365056100).

11011112012 is a wasteful number, since it uses less digits than its factorization.

11011112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19609 (or 19607 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11011112012 its reverse (21021111011), we get a palindrome (32032223023).

The spelling of 11011112012 in words is "eleven billion, eleven million, one hundred twelve thousand, twelve".