100220101200281 has 2 divisors, whose sum is σ = 100220101200282. Its totient is φ = 100220101200280.

The previous prime is 100220101200229. The next prime is 100220101200343. The reversal of 100220101200281 is 182002101022001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99899225401600 + 320875798681 = 9994960^2 + 566459^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100220101200281 is a prime.

It is a super-2 number, since 2×100220101200281² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100220101200581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110050600140 + 50110050600141.

It is an arithmetic number, because the mean of its divisors is an integer number (50110050600141).

Almost surely, 2^{100220101200281} is an apocalyptic number.

It is an amenable number.

100220101200281 is a deficient number, since it is larger than the sum of its proper divisors (1).

100220101200281 is an equidigital number, since it uses as much as digits as its factorization.

100220101200281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 100220101200281 its reverse (182002101022001), we get a palindrome (282222202222282).

The spelling of 100220101200281 in words is "one hundred trillion, two hundred twenty billion, one hundred one million, two hundred thousand, two hundred eighty-one".