1011100012201 has 2 divisors, whose sum is σ = 1011100012202. Its totient is φ = 1011100012200.

The previous prime is 1011100012189. The next prime is 1011100012243. The reversal of 1011100012201 is 1022100011101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 695390877801 + 315709134400 = 833901^2 + 561880^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011100012201 - 2⁹ = 1011100011689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011100012291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505550006100 + 505550006101.

It is an arithmetic number, because the mean of its divisors is an integer number (505550006101).

Almost surely, 2^{1011100012201} is an apocalyptic number.

It is an amenable number.

1011100012201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011100012201 is an equidigital number, since it uses as much as digits as its factorization.

1011100012201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1011100012201 its reverse (1022100011101), we get a palindrome (2033200023302).

The spelling of 1011100012201 in words is "one trillion, eleven billion, one hundred million, twelve thousand, two hundred one".