1101221300201 has 12 divisors (see below), whose sum is σ = 1210463043636. Its totient is φ = 1001085697920.

The previous prime is 1101221300159. The next prime is 1101221300209. The reversal of 1101221300201 is 1020031221011.

It can be written as a sum of positive squares in 2 ways, for example, as 589854720400 + 511366579801 = 768020^2 + 715099^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1101221300201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1101221300209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6399845 + ... + 6569661.

It is an arithmetic number, because the mean of its divisors is an integer number (100871920303).

Almost surely, 2^{1101221300201} is an apocalyptic number.

1101221300201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1101221300201 is a deficient number, since it is larger than the sum of its proper divisors (109241743435).

1101221300201 is a wasteful number, since it uses less digits than its factorization.

1101221300201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223432 (or 223421 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1101221300201 its reverse (1020031221011), we get a palindrome (2121252521212).

The spelling of 1101221300201 in words is "one trillion, one hundred one billion, two hundred twenty-one million, three hundred thousand, two hundred one".