22211111000220 has 48 divisors (see below), whose sum is σ = 64197275670528. Its totient is φ = 5731899612480.

The previous prime is 22211111000207. The next prime is 22211111000263. The reversal of 22211111000220 is 2200011111222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22211111000220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5970726904 + ... + 5970730623.

It is an arithmetic number, because the mean of its divisors is an integer number (1337443243136).

Almost surely, 2^{22211111000220} is an apocalyptic number.

22211111000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211111000220 is an abundant number, since it is smaller than the sum of its proper divisors (41986164670308).

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

22211111000220 is a wasteful number, since it uses less digits than its factorization.

22211111000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11941457570 (or 11941457568 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22211111000220 its reverse (2200011111222), we get a palindrome (24411122111442).

The spelling of 22211111000220 in words is "twenty-two trillion, two hundred eleven billion, one hundred eleven million, two hundred twenty", and thus it is an aban number.