100222112201020 has 48 divisors (see below), whose sum is σ = 221713904714400. Its totient is φ = 37949713401600.

The previous prime is 100222112200981. The next prime is 100222112201021. The reversal of 100222112201020 is 20102211222001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100222112200985 and 100222112201003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100222112201021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100867035 + ... + 101855794.

It is an arithmetic number, because the mean of its divisors is an integer number (4619039681550).

Almost surely, 2^{100222112201020} is an apocalyptic number.

100222112201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100222112201020 is an abundant number, since it is smaller than the sum of its proper divisors (121491792513380).

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

100222112201020 is a wasteful number, since it uses less digits than its factorization.

100222112201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202724158 (or 202724156 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100222112201020 its reverse (20102211222001), we get a palindrome (120324323423021).

The spelling of 100222112201020 in words is "one hundred trillion, two hundred twenty-two billion, one hundred twelve million, two hundred one thousand, twenty".