110021222221100 has 72 divisors (see below), whose sum is σ = 240882097642368. Its totient is φ = 43614822988800.

The previous prime is 110021222220979. The next prime is 110021222221103. The reversal of 110021222221100 is 1122222120011.

It is not an unprimeable number, because it can be changed into a prime (110021222221103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117925445 + ... + 118854755.

Almost surely, 2^{110021222221100} is an apocalyptic number.

110021222221100 is a gapful number since it is divisible by the number (10) 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 110021222221100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120441048821184).

110021222221100 is an abundant number, since it is smaller than the sum of its proper divisors (130860875421268).

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

110021222221100 is a wasteful number, since it uses less digits than its factorization.

110021222221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939915 (or 939908 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 110021222221100 its reverse (1122222120011), we get a palindrome (111143444341111).

The spelling of 110021222221100 in words is "one hundred ten trillion, twenty-one billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred".