11221011001011 has 64 divisors (see below), whose sum is σ = 18138716467200. Its totient is φ = 6027298978176.

The previous prime is 11221011001003. The next prime is 11221011001021. The reversal of 11221011001011 is 11010011012211.

It is not a de Polignac number, because 11221011001011 - 2³ = 11221011001003 is a prime.

It is a super-2 number, since 2×11221011001011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11221011001001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 96055540 + ... + 96172286.

It is an arithmetic number, because the mean of its divisors is an integer number (283417444800).

Almost surely, 2^{11221011001011} is an apocalyptic number.

11221011001011 is a deficient number, since it is larger than the sum of its proper divisors (6917705466189).

11221011001011 is a wasteful number, since it uses less digits than its factorization.

11221011001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118648.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11221011001011 its reverse (11010011012211), we get a palindrome (22231022013222).

The spelling of 11221011001011 in words is "eleven trillion, two hundred twenty-one billion, eleven million, one thousand, eleven".