100112220221022 has 48 divisors (see below), whose sum is σ = 224954838828720. Its totient is φ = 33369059002752.

The previous prime is 100112220221003. The next prime is 100112220221029. The reversal of 100112220221022 is 220122022211001.

It is a happy number.

100112220221022 is a `hidden beast` number, since 100 + 112 + 220 + 2 + 210 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 100112220220986 and 100112220221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112220221029) 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, 4487508 + ... + 14844600.

It is an arithmetic number, because the mean of its divisors is an integer number (4686559142265).

Almost surely, 2^{100112220221022} is an apocalyptic number.

100112220221022 is an abundant number, since it is smaller than the sum of its proper divisors (124842618607698).

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

100112220221022 is a wasteful number, since it uses less digits than its factorization.

100112220221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10376999 (or 10376987 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 100112220221022 its reverse (220122022211001), we get a palindrome (320234242432023).

The spelling of 100112220221022 in words is "one hundred trillion, one hundred twelve billion, two hundred twenty million, two hundred twenty-one thousand, twenty-two".