100211222102281 has 2 divisors, whose sum is σ = 100211222102282. Its totient is φ = 100211222102280.

The previous prime is 100211222102269. The next prime is 100211222102351. The reversal of 100211222102281 is 182201222112001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95685880631056 + 4525341471225 = 9781916^2 + 2127285^2 .

It is a cyclic number.

It is not a de Polignac number, because 100211222102281 - 2³⁵ = 100176862363913 is a prime.

It is a super-2 number, since 2×100211222102281² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100211222102221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50105611051140 + 50105611051141.

It is an arithmetic number, because the mean of its divisors is an integer number (50105611051141).

Almost surely, 2^{100211222102281} is an apocalyptic number.

It is an amenable number.

100211222102281 is a deficient number, since it is larger than the sum of its proper divisors (1).

100211222102281 is an equidigital number, since it uses as much as digits as its factorization.

100211222102281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 25.

Adding to 100211222102281 its reverse (182201222112001), we get a palindrome (282412444214282).

The spelling of 100211222102281 in words is "one hundred trillion, two hundred eleven billion, two hundred twenty-two million, one hundred two thousand, two hundred eighty-one".