22221112211000 has 64 divisors (see below), whose sum is σ = 52166775941280. Its totient is φ = 8859492172800.

The previous prime is 22221112210949. The next prime is 22221112211009. The reversal of 22221112211000 is 11221112222.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 22221112211000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221112211009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35883737 + ... + 36497736.

Almost surely, 2^{22221112211000} is an apocalyptic number.

22221112211000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22221112211000 is an abundant number, since it is smaller than the sum of its proper divisors (29945663730280).

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

22221112211000 is a wasteful number, since it uses less digits than its factorization.

22221112211000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72381801 (or 72381787 counting only the distinct ones).

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

Adding to 22221112211000 its reverse (11221112222), we get a palindrome (22232333323222).

The spelling of 22221112211000 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twelve million, two hundred eleven thousand".