1010011200221 has 2 divisors, whose sum is σ = 1010011200222. Its totient is φ = 1010011200220.

The previous prime is 1010011200217. The next prime is 1010011200239. The reversal of 1010011200221 is 1220021100101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 751794777721 + 258216422500 = 867061^2 + 508150^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010011200221 - 2² = 1010011200217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010011203221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505005600110 + 505005600111.

It is an arithmetic number, because the mean of its divisors is an integer number (505005600111).

Almost surely, 2^{1010011200221} is an apocalyptic number.

It is an amenable number.

1010011200221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010011200221 is an equidigital number, since it uses as much as digits as its factorization.

1010011200221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1010011200221 its reverse (1220021100101), we get a palindrome (2230032300322).

The spelling of 1010011200221 in words is "one trillion, ten billion, eleven million, two hundred thousand, two hundred twenty-one".