22201022200120 has 64 divisors (see below), whose sum is σ = 52899676603200. Its totient is φ = 8356608706560.

The previous prime is 22201022200031. The next prime is 22201022200121. The reversal of 22201022200120 is 2100222010222.

It is a junction number, because it is equal to n+sod(n) for n = 22201022200094 and 22201022200103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201022200121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1221010 + ... + 6774430.

It is an arithmetic number, because the mean of its divisors is an integer number (826557446925).

Almost surely, 2^{22201022200120} is an apocalyptic number.

22201022200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201022200120 is an abundant number, since it is smaller than the sum of its proper divisors (30698654403080).

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

22201022200120 is a wasteful number, since it uses less digits than its factorization.

22201022200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5559328 (or 5559324 counting only the distinct ones).

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

Adding to 22201022200120 its reverse (2100222010222), we get a palindrome (24301244210342).

The spelling of 22201022200120 in words is "twenty-two trillion, two hundred one billion, twenty-two million, two hundred thousand, one hundred twenty".