11221011201011 has 2 divisors, whose sum is σ = 11221011201012. Its totient is φ = 11221011201010.

The previous prime is 11221011200989. The next prime is 11221011201041. The reversal of 11221011201011 is 11010211012211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11221011201011 - 2¹⁸ = 11221010938867 is a prime.

It is a super-3 number, since 3×11221011201011³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (11221011201041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610505600505 + 5610505600506.

It is an arithmetic number, because the mean of its divisors is an integer number (5610505600506).

Almost surely, 2^{11221011201011} is an apocalyptic number.

11221011201011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221011201011 is an equidigital number, since it uses as much as digits as its factorization.

11221011201011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11221011201011 its reverse (11010211012211), we get a palindrome (22231222213222).

The spelling of 11221011201011 in words is "eleven trillion, two hundred twenty-one billion, eleven million, two hundred one thousand, eleven".