200100112212122 has 16 divisors (see below), whose sum is σ = 301397525313192. Its totient is φ = 99634275732480.

The previous prime is 200100112212083. The next prime is 200100112212127. The reversal of 200100112212122 is 221212211001002.

It can be written as a sum of positive squares in 4 ways, for example, as 189692526497881 + 10407585714241 = 13772891^2 + 3226079^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 200100112212122.

It is not an unprimeable number, because it can be changed into a prime (200100112212127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79513868 + ... + 81991800.

Almost surely, 2^{200100112212122} is an apocalyptic number.

200100112212122 is a deficient number, since it is larger than the sum of its proper divisors (101297413101070).

200100112212122 is a wasteful number, since it uses less digits than its factorization.

200100112212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645713.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200100112212122 its reverse (221212211001002), we get a palindrome (421312323213124).

The spelling of 200100112212122 in words is "two hundred trillion, one hundred billion, one hundred twelve million, two hundred twelve thousand, one hundred twenty-two".