11001011222211 has 8 divisors (see below), whose sum is σ = 15173808582480. Its totient is φ = 7081110671712.

The previous prime is 11001011222183. The next prime is 11001011222233. The reversal of 11001011222211 is 11222211010011.

It is a happy number.

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

It is not a de Polignac number, because 11001011222211 - 2⁹ = 11001011221699 is a prime.

It is a super-2 number, since 2×11001011222211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11001011202211) 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, 63224202340 + ... + 63224202513.

It is an arithmetic number, because the mean of its divisors is an integer number (1896726072810).

Almost surely, 2^{11001011222211} is an apocalyptic number.

11001011222211 is a deficient number, since it is larger than the sum of its proper divisors (4172797360269).

11001011222211 is a wasteful number, since it uses less digits than its factorization.

11001011222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126448404885.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11001011222211 its reverse (11222211010011), we get a palindrome (22223222232222).

The spelling of 11001011222211 in words is "eleven trillion, one billion, eleven million, two hundred twenty-two thousand, two hundred eleven".