100022222212220 has 384 divisors, whose sum is σ = 269701903908864. Its totient is φ = 30252683520000.

The previous prime is 100022222212201. The next prime is 100022222212271. The reversal of 100022222212220 is 22212222220001.

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 = 100022222212192 and 100022222212201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11002329875 + ... + 11002338965.

It is an arithmetic number, because the mean of its divisors is an integer number (702348708096).

Almost surely, 2^{100022222212220} is an apocalyptic number.

100022222212220 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 100022222212220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134850951954432).

100022222212220 is an abundant number, since it is smaller than the sum of its proper divisors (169679681696644).

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

100022222212220 is a wasteful number, since it uses less digits than its factorization.

100022222212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10073 (or 10071 counting only the distinct ones).

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

Adding to 100022222212220 its reverse (22212222220001), we get a palindrome (122234444432221).

It can be divided in two parts, 10002 and 2222212220, that added together give a palindrome (2222222222).

The spelling of 100022222212220 in words is "one hundred trillion, twenty-two billion, two hundred twenty-two million, two hundred twelve thousand, two hundred twenty".