201200100220122 has 32 divisors (see below), whose sum is σ = 404182251345600. Its totient is φ = 66769769953920.

The previous prime is 201200100220087. The next prime is 201200100220127. The reversal of 201200100220122 is 221022001002102.

It is not an unprimeable number, because it can be changed into a prime (201200100220127) 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, 482097 + ... + 20065707.

It is an arithmetic number, because the mean of its divisors is an integer number (12630695354550).

Almost surely, 2^{201200100220122} is an apocalyptic number.

201200100220122 is an abundant number, since it is smaller than the sum of its proper divisors (202982151125478).

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

201200100220122 is a wasteful number, since it uses less digits than its factorization.

201200100220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19591198.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201200100220122 its reverse (221022001002102), we get a palindrome (422222101222224).

The spelling of 201200100220122 in words is "two hundred one trillion, two hundred billion, one hundred million, two hundred twenty thousand, one hundred twenty-two".