200202100000221 has 16 divisors (see below), whose sum is σ = 291203575100928. Its totient is φ = 121334389162800.

The previous prime is 200202100000219. The next prime is 200202100000249. The reversal of 200202100000221 is 122000001202002.

It is not a de Polignac number, because 200202100000221 - 2¹ = 200202100000219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200202100000197 and 200202100000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200202100000261) 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, 14399200 + ... + 24652406.

It is an arithmetic number, because the mean of its divisors is an integer number (18200223443808).

Almost surely, 2^{200202100000221} is an apocalyptic number.

It is an amenable number.

200202100000221 is a deficient number, since it is larger than the sum of its proper divisors (91001475100707).

200202100000221 is a wasteful number, since it uses less digits than its factorization.

200202100000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10844912.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 200202100000221 its reverse (122000001202002), we get a palindrome (322202101202223).

The spelling of 200202100000221 in words is "two hundred trillion, two hundred two billion, one hundred million, two hundred twenty-one", and thus it is an aban number.