11221011001201 has 16 divisors (see below), whose sum is σ = 12037730918400. Its totient is φ = 10427683443408.

The previous prime is 11221011001183. The next prime is 11221011001217. The reversal of 11221011001201 is 10210011012211.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11221011001201 is a prime.

It is a super-2 number, since 2×11221011001201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11221011001241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10290721 + ... + 11328766.

It is an arithmetic number, because the mean of its divisors is an integer number (752358182400).

Almost surely, 2^{11221011001201} is an apocalyptic number.

It is an amenable number.

11221011001201 is a deficient number, since it is larger than the sum of its proper divisors (816719917199).

11221011001201 is a wasteful number, since it uses less digits than its factorization.

11221011001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21620028.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11221011001201 its reverse (10210011012211), we get a palindrome (21431022013412).

The spelling of 11221011001201 in words is "eleven trillion, two hundred twenty-one billion, eleven million, one thousand, two hundred one".