11301121212 has 48 divisors (see below), whose sum is σ = 27940943520. Its totient is φ = 3542843392.

The previous prime is 11301121211. The next prime is 11301121219. The reversal of 11301121212 is 21212110311.

11301121212 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 = 11301121191 and 11301121200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11301121211) 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 15 ways as a sum of consecutive naturals, for example, 267778 + ... + 307094.

It is an arithmetic number, because the mean of its divisors is an integer number (582102990).

Almost surely, 2^11301121212 is an apocalyptic number.

11301121212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11301121212 is an abundant number, since it is smaller than the sum of its proper divisors (16639822308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11301121212 is a wasteful number, since it uses less digits than its factorization.

11301121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40750 (or 40748 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11301121212 its reverse (21212110311), we get a palindrome (32513231523).

The spelling of 11301121212 in words is "eleven billion, three hundred one million, one hundred twenty-one thousand, two hundred twelve".