11221212200001 has 8 divisors (see below), whose sum is σ = 15106874677440. Its totient is φ = 7408178927952.

The previous prime is 11221212199997. The next prime is 11221212200057. The reversal of 11221212200001 is 10000221212211.

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

It is not a de Polignac number, because 11221212200001 - 2² = 11221212199997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11221212200101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18157300986 + ... + 18157301603.

It is an arithmetic number, because the mean of its divisors is an integer number (1888359334680).

Almost surely, 2^{11221212200001} is an apocalyptic number.

It is an amenable number.

11221212200001 is a deficient number, since it is larger than the sum of its proper divisors (3885662477439).

11221212200001 is a wasteful number, since it uses less digits than its factorization.

11221212200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36314602695.

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

Adding to 11221212200001 its reverse (10000221212211), we get a palindrome (21221433412212).

The spelling of 11221212200001 in words is "eleven trillion, two hundred twenty-one billion, two hundred twelve million, two hundred thousand, one".