11000121121212 has 48 divisors (see below), whose sum is σ = 26110685126400. Its totient is φ = 3603357648000.

The previous prime is 11000121121181. The next prime is 11000121121243. The reversal of 11000121121212 is 21212112100011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11000121121181) and next prime (11000121121243).

It is a junction number, because it is equal to n+sod(n) for n = 11000121121191 and 11000121121200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463912 + ... + 4713327.

It is an arithmetic number, because the mean of its divisors is an integer number (543972606800).

Almost surely, 2^{11000121121212} is an apocalyptic number.

11000121121212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11000121121212 is an abundant number, since it is smaller than the sum of its proper divisors (15110564005188).

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

11000121121212 is a wasteful number, since it uses less digits than its factorization.

11000121121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5180306 (or 5180304 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11000121121212 its reverse (21212112100011), we get a palindrome (32212233221223).

The spelling of 11000121121212 in words is "eleven trillion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred twelve".