100010834221 has 2 divisors, whose sum is σ = 100010834222. Its totient is φ = 100010834220.

The previous prime is 100010834207. The next prime is 100010834227. The reversal of 100010834221 is 122438010001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78814386121 + 21196448100 = 280739^2 + 145590^2 .

It is a cyclic number.

It is not a de Polignac number, because 100010834221 - 2⁹ = 100010833709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100010834192 and 100010834201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100010834227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005417110 + 50005417111.

It is an arithmetic number, because the mean of its divisors is an integer number (50005417111).

Almost surely, 2^100010834221 is an apocalyptic number.

It is an amenable number.

100010834221 is a deficient number, since it is larger than the sum of its proper divisors (1).

100010834221 is an equidigital number, since it uses as much as digits as its factorization.

100010834221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 100010834221 its reverse (122438010001), we get a palindrome (222448844222).

The spelling of 100010834221 in words is "one hundred billion, ten million, eight hundred thirty-four thousand, two hundred twenty-one".