100201220202122 has 16 divisors (see below), whose sum is σ = 162102598964712. Its totient is φ = 46178405757120.

The previous prime is 100201220202121. The next prime is 100201220202133. The reversal of 100201220202122 is 221202022102001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 97029611830321 + 3171608371801 = 9850361^2 + 1780901^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100201220202122.

It is not an unprimeable number, because it can be changed into a prime (100201220202121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2846284529 + ... + 2846319732.

Almost surely, 2^{100201220202122} is an apocalyptic number.

100201220202122 is a deficient number, since it is larger than the sum of its proper divisors (61901378762590).

100201220202122 is a wasteful number, since it uses less digits than its factorization.

100201220202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5692604953.

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

Adding to 100201220202122 its reverse (221202022102001), we get a palindrome (321403242304123).

The spelling of 100201220202122 in words is "one hundred trillion, two hundred one billion, two hundred twenty million, two hundred two thousand, one hundred twenty-two".