11011011212 has 24 divisors (see below), whose sum is σ = 19421875200. Its totient is φ = 5461961616.

The previous prime is 11011011173. The next prime is 11011011227. The reversal of 11011011212 is 21211011011.

It is a junction number, because it is equal to n+sod(n) for n = 11011011193 and 11011011202.

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, 860453 + ... + 873155.

It is an arithmetic number, because the mean of its divisors is an integer number (809244800).

Almost surely, 2^11011011212 is an apocalyptic number.

It is an amenable number.

11011011212 is a deficient number, since it is larger than the sum of its proper divisors (8410863988).

11011011212 is a wasteful number, since it uses less digits than its factorization.

11011011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14405 (or 14403 counting only the distinct ones).

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

Adding to 11011011212 its reverse (21211011011), we get a palindrome (32222022223).

It can be divided in two parts, 11011011 and 212, that multiplied together give a palindrome (2334334332).

The spelling of 11011011212 in words is "eleven billion, eleven million, eleven thousand, two hundred twelve".