11121001223212 has 12 divisors (see below), whose sum is σ = 19461820511560. Its totient is φ = 5560481077056.

The previous prime is 11121001223203. The next prime is 11121001223351. The reversal of 11121001223212 is 21232210012111.

11121001223212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11121001223212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3563037 + ... + 5910772.

Almost surely, 2^{11121001223212} is an apocalyptic number.

It is an amenable number.

11121001223212 is a deficient number, since it is larger than the sum of its proper divisors (8340819288348).

11121001223212 is a wasteful number, since it uses less digits than its factorization.

11121001223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9767280 (or 9767278 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11121001223212 its reverse (21232210012111), we get a palindrome (32353211235323).

The spelling of 11121001223212 in words is "eleven trillion, one hundred twenty-one billion, one million, two hundred twenty-three thousand, two hundred twelve".