100000222221120 has 112 divisors (see below), whose sum is σ = 341923836791040. Its totient is φ = 24615439312896.

The previous prime is 100000222221091. The next prime is 100000222221121. The reversal of 100000222221120 is 21122222000001.

It is a super-5 number, since 5×100000222221120⁵ (a number of 71 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 100000222221120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000222221121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4006406680 + ... + 4006431639.

It is an arithmetic number, because the mean of its divisors is an integer number (3052891399920).

Almost surely, 2^{100000222221120} is an apocalyptic number.

100000222221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100000222221120 is an abundant number, since it is smaller than the sum of its proper divisors (241923614569920).

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

100000222221120 is a wasteful number, since it uses less digits than its factorization.

100000222221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8012838352 (or 8012838342 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100000222221120 its reverse (21122222000001), we get a palindrome (121122444221121).

The spelling of 100000222221120 in words is "one hundred trillion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty".