11222001211 has 4 divisors (see below), whose sum is σ = 11608966800. Its totient is φ = 10835035624.

The previous prime is 11222001199. The next prime is 11222001221. The reversal of 11222001211 is 11210022211.

11222001211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11222001211 - 2⁷ = 11222001083 is a prime.

It is a super-2 number, since 2×11222001211² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11222001191 and 11222001200.

It is not an unprimeable number, because it can be changed into a prime (11222001221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193482751 + ... + 193482808.

It is an arithmetic number, because the mean of its divisors is an integer number (2902241700).

Almost surely, 2^11222001211 is an apocalyptic number.

11222001211 is a deficient number, since it is larger than the sum of its proper divisors (386965589).

11222001211 is an equidigital number, since it uses as much as digits as its factorization.

11222001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386965588.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11222001211 its reverse (11210022211), we get a palindrome (22432023422).

The spelling of 11222001211 in words is "eleven billion, two hundred twenty-two million, one thousand, two hundred eleven".