200011220022122 has 4 divisors (see below), whose sum is σ = 300016830033186. Its totient is φ = 100005610011060.

The previous prime is 200011220022109. The next prime is 200011220022157. The reversal of 200011220022122 is 221220022110002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 115362185381041 + 84649034641081 = 10740679^2 + 9200491^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 200011220022122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50002805005529 + ... + 50002805005532.

Almost surely, 2^{200011220022122} is an apocalyptic number.

200011220022122 is a deficient number, since it is larger than the sum of its proper divisors (100005610011064).

200011220022122 is a wasteful number, since it uses less digits than its factorization.

200011220022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100005610011063.

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

Adding to 200011220022122 its reverse (221220022110002), we get a palindrome (421231242132124).

The spelling of 200011220022122 in words is "two hundred trillion, eleven billion, two hundred twenty million, twenty-two thousand, one hundred twenty-two".