2220111000 has 384 divisors, whose sum is σ = 7906766400. Its totient is φ = 561254400.

The previous prime is 2220110989. The next prime is 2220111017. The reversal of 2220111000 is 1110222.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19646944 + ... + 19647056.

Almost surely, 2^2220111000 is an apocalyptic number.

2220111000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3953383200).

2220111000 is an abundant number, since it is smaller than the sum of its proper divisors (5686655400).

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

2220111000 is a wasteful number, since it uses less digits than its factorization.

2220111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2220111000 is about 47118.0538647343. The cubic root of 2220111000 is about 1304.5424916706.

Adding to 2220111000 its reverse (1110222), we get a palindrome (2221221222).

The spelling of 2220111000 in words is "two billion, two hundred twenty million, one hundred eleven thousand".