20221200100222 has 16 divisors (see below), whose sum is σ = 33110461238400. Its totient is φ = 9185558838040.

The previous prime is 20221200100217. The next prime is 20221200100243. The reversal of 20221200100222 is 22200100212202.

It is a junction number, because it is equal to n+sod(n) for n = 20221200100196 and 20221200100205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294752572 + ... + 294821167.

It is an arithmetic number, because the mean of its divisors is an integer number (2069403827400).

Almost surely, 2^{20221200100222} is an apocalyptic number.

20221200100222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20221200100222 is a deficient number, since it is larger than the sum of its proper divisors (12889261138178).

20221200100222 is a wasteful number, since it uses less digits than its factorization.

20221200100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589575311.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20221200100222 its reverse (22200100212202), we get a palindrome (42421300312424).

The spelling of 20221200100222 in words is "twenty trillion, two hundred twenty-one billion, two hundred million, one hundred thousand, two hundred twenty-two".