1101200001201 has 6 divisors (see below), whose sum is σ = 1590622223970. Its totient is φ = 734133334128.

The previous prime is 1101200001199. The next prime is 1101200001211. The reversal of 1101200001201 is 1021000021011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 854374856976 + 246825144225 = 924324^2 + 496815^2 .

It is not a de Polignac number, because 1101200001201 - 2¹ = 1101200001199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 122355555689 = 1101200001201 / (1 + 1 + 0 + 1 + 2 + 0 + 0 + 0 + 0 + 1 + 2 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (1101200001211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61177777836 + ... + 61177777853.

It is an arithmetic number, because the mean of its divisors is an integer number (265103703995).

Almost surely, 2^{1101200001201} is an apocalyptic number.

It is an amenable number.

1101200001201 is a deficient number, since it is larger than the sum of its proper divisors (489422222769).

1101200001201 is a wasteful number, since it uses less digits than its factorization.

1101200001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122355555695 (or 122355555692 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1101200001201 its reverse (1021000021011), we get a palindrome (2122200022212).

The spelling of 1101200001201 in words is "one trillion, one hundred one billion, two hundred million, one thousand, two hundred one".