11212121200002 has 8 divisors (see below), whose sum is σ = 22424242400016. Its totient is φ = 3737373733332.

The previous prime is 11212121199997. The next prime is 11212121200031. The reversal of 11212121200002 is 20000212121211.

It is a sphenic number, since it is the product of 3 distinct primes.

11212121200002 is an admirable number.

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, 934343433328 + ... + 934343433339.

It is an arithmetic number, because the mean of its divisors is an integer number (2803030300002).

Almost surely, 2^{11212121200002} is an apocalyptic number.

11212121200002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11212121200002 is a wasteful number, since it uses less digits than its factorization.

11212121200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868686866672.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11212121200002 its reverse (20000212121211), we get a palindrome (31212333321213).

The spelling of 11212121200002 in words is "eleven trillion, two hundred twelve billion, one hundred twenty-one million, two hundred thousand, two".