11220012212001 has 8 divisors (see below), whose sum is σ = 15840017240544. Its totient is φ = 7040007662400.

The previous prime is 11220012211979. The next prime is 11220012212009. The reversal of 11220012212001 is 10021221002211.

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

It is a de Polignac number, because none of the positive numbers 2^k-11220012212001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11220012212009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110000119675 + ... + 110000119776.

It is an arithmetic number, because the mean of its divisors is an integer number (1980002155068).

Almost surely, 2^{11220012212001} is an apocalyptic number.

It is an amenable number.

11220012212001 is a deficient number, since it is larger than the sum of its proper divisors (4620005028543).

11220012212001 is a wasteful number, since it uses less digits than its factorization.

11220012212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220000239471.

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

Adding to 11220012212001 its reverse (10021221002211), we get a palindrome (21241233214212).

The spelling of 11220012212001 in words is "eleven trillion, two hundred twenty billion, twelve million, two hundred twelve thousand, one".