11221002011222 has 4 divisors (see below), whose sum is σ = 16831503016836. Its totient is φ = 5610501005610.

The previous prime is 11221002011207. The next prime is 11221002011231. The reversal of 11221002011222 is 22211020012211.

11221002011222 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 super-2 number, since 2×11221002011222² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11221002011222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805250502804 + ... + 2805250502807.

It is an arithmetic number, because the mean of its divisors is an integer number (4207875754209).

Almost surely, 2^{11221002011222} is an apocalyptic number.

11221002011222 is a deficient number, since it is larger than the sum of its proper divisors (5610501005614).

11221002011222 is an equidigital number, since it uses as much as digits as its factorization.

11221002011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610501005613.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11221002011222 its reverse (22211020012211), we get a palindrome (33432022023433).

The spelling of 11221002011222 in words is "eleven trillion, two hundred twenty-one billion, two million, eleven thousand, two hundred twenty-two".