22101200210120 has 32 divisors (see below), whose sum is σ = 50183917918200. Its totient is φ = 8759374760448.

The previous prime is 22101200210093. The next prime is 22101200210143. The reversal of 22101200210120 is 2101200210122.

It can be written as a sum of positive squares in 4 ways, for example, as 20406053497636 + 1695146712484 = 4517306^2 + 1301978^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22101200210095 and 22101200210104.

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, 2534536949 + ... + 2534545668.

Almost surely, 2^{22101200210120} is an apocalyptic number.

22101200210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101200210120 is an abundant number, since it is smaller than the sum of its proper divisors (28082717708080).

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

22101200210120 is a wasteful number, since it uses less digits than its factorization.

22101200210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5069082737 (or 5069082733 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22101200210120 its reverse (2101200210122), we get a palindrome (24202400420242).

The spelling of 22101200210120 in words is "twenty-two trillion, one hundred one billion, two hundred million, two hundred ten thousand, one hundred twenty".