200001220221122 has 16 divisors (see below), whose sum is σ = 334367365076640. Its totient is φ = 89164630686528.

The previous prime is 200001220221053. The next prime is 200001220221163. The reversal of 200001220221122 is 221122022100002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 200001220221122.

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, 154799705408 + ... + 154799706699.

It is an arithmetic number, because the mean of its divisors is an integer number (20897960317290).

Almost surely, 2^{200001220221122} is an apocalyptic number.

200001220221122 is a deficient number, since it is larger than the sum of its proper divisors (134366144855518).

200001220221122 is a wasteful number, since it uses less digits than its factorization.

200001220221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309599412145.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 200001220221122 its reverse (221122022100002), we get a palindrome (421123242321124).

The spelling of 200001220221122 in words is "two hundred trillion, one billion, two hundred twenty million, two hundred twenty-one thousand, one hundred twenty-two".