11001021212 has 12 divisors (see below), whose sum is σ = 19872812736. Its totient is φ = 5323074720.

The previous prime is 11001021197. The next prime is 11001021217. The reversal of 11001021212 is 21212010011.

11001021212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11001021193 and 11001021202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001021217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44358833 + ... + 44359080.

It is an arithmetic number, because the mean of its divisors is an integer number (1656067728).

Almost surely, 2^11001021212 is an apocalyptic number.

It is an amenable number.

11001021212 is a deficient number, since it is larger than the sum of its proper divisors (8871791524).

11001021212 is a wasteful number, since it uses less digits than its factorization.

11001021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88717948 (or 88717946 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11001021212 its reverse (21212010011), we get a palindrome (32213031223).

The spelling of 11001021212 in words is "eleven billion, one million, twenty-one thousand, two hundred twelve".