220021100200010 has 8 divisors (see below), whose sum is σ = 396037980360036. Its totient is φ = 88008440080000.

The previous prime is 220021100200007. The next prime is 220021100200063. The reversal of 220021100200010 is 10002001120022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 199529100477529 + 20491999722481 = 14125477^2 + 4526809^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 220021100199964 and 220021100200000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11001055009991 + ... + 11001055010010.

Almost surely, 2^{220021100200010} is an apocalyptic number.

220021100200010 is a deficient number, since it is larger than the sum of its proper divisors (176016880160026).

220021100200010 is a wasteful number, since it uses less digits than its factorization.

220021100200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22002110020008.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220021100200010 its reverse (10002001120022), we get a palindrome (230023101320032).

The spelling of 220021100200010 in words is "two hundred twenty trillion, twenty-one billion, one hundred million, two hundred thousand, ten".