100022122222220 has 48 divisors (see below), whose sum is σ = 232368935452416. Its totient is φ = 35859403608000.

The previous prime is 100022122222189. The next prime is 100022122222249. The reversal of 100022122222220 is 22222221220001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 100022122222192 and 100022122222201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3201716846 + ... + 3201748085.

It is an arithmetic number, because the mean of its divisors is an integer number (4841019488592).

Almost surely, 2^{100022122222220} is an apocalyptic number.

100022122222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100022122222220 is an abundant number, since it is smaller than the sum of its proper divisors (132346813230196).

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

100022122222220 is a wasteful number, since it uses less digits than its factorization.

100022122222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6403465022 (or 6403465020 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 100022122222220 its reverse (22222221220001), we get a palindrome (122244343442221).

The spelling of 100022122222220 in words is "one hundred trillion, twenty-two billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty".