222122110000 has 200 divisors, whose sum is σ = 622026687744. Its totient is φ = 75236640000.

The previous prime is 222122109959. The next prime is 222122110003. The reversal of 222122110000 is 11221222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-4 number, since 4×222122110000⁴ (a number of 46 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (222122110003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5790885 + ... + 5829115.

Almost surely, 2^222122110000 is an apocalyptic number.

222122110000 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 222122110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311013343872).

222122110000 is an abundant number, since it is smaller than the sum of its proper divisors (399904577744).

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

222122110000 is an equidigital number, since it uses as much as digits as its factorization.

222122110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38349 (or 38328 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222122110000 its reverse (11221222), we get a palindrome (222133331222).

The spelling of 222122110000 in words is "two hundred twenty-two billion, one hundred twenty-two million, one hundred ten thousand".