222201110000 has 100 divisors (see below), whose sum is σ = 538206462552. Its totient is φ = 88841568000.

The previous prime is 222201109951. The next prime is 222201110003. The reversal of 222201110000 is 11102222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222201110003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36766979 + ... + 36773021.

Almost surely, 2^222201110000 is an apocalyptic number.

222201110000 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 222201110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269103231276).

222201110000 is an abundant number, since it is smaller than the sum of its proper divisors (316005352552).

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

222201110000 is an equidigital number, since it uses as much as digits as its factorization.

222201110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9748 (or 9727 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 222201110000 its reverse (11102222), we get a palindrome (222212212222).

The spelling of 222201110000 in words is "two hundred twenty-two billion, two hundred one million, one hundred ten thousand".