110221220000 has 60 divisors (see below), whose sum is σ = 271160783586. Its totient is φ = 44088480000.

The previous prime is 110221219993. The next prime is 110221220003. The reversal of 110221220000 is 22122011.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 8987798416 + 101233421584 = 94804^2 + 318172^2 .

It is not an unprimeable number, because it can be changed into a prime (110221220003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2735531 + ... + 2775530.

Almost surely, 2^110221220000 is an apocalyptic number.

110221220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110221220000 is an abundant number, since it is smaller than the sum of its proper divisors (160939563586).

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

110221220000 is an frugal number, since it uses more digits than its factorization.

110221220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511091 (or 5511068 counting only the distinct ones).

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

Adding to 110221220000 its reverse (22122011), we get a palindrome (110243342011).

The spelling of 110221220000 in words is "one hundred ten billion, two hundred twenty-one million, two hundred twenty thousand".