11221222022000 has 80 divisors (see below), whose sum is σ = 27794693463264. Its totient is φ = 4379013440000.

The previous prime is 11221222021993. The next prime is 11221222022029. The reversal of 11221222022000 is 22022212211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×11221222022000³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11221222022000.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 68340086 + ... + 68504085.

Almost surely, 2^{11221222022000} is an apocalyptic number.

11221222022000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221222022000 is an abundant number, since it is smaller than the sum of its proper divisors (16573471441264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11221222022000 is a wasteful number, since it uses less digits than its factorization.

11221222022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136844235 (or 136844219 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11221222022000 its reverse (22022212211), we get a palindrome (11243244234211).

The spelling of 11221222022000 in words is "eleven trillion, two hundred twenty-one billion, two hundred twenty-two million, twenty-two thousand".