1100322121121 has 8 divisors (see below), whose sum is σ = 1111149794664. Its totient is φ = 1089546629760.

The previous prime is 1100322121081. The next prime is 1100322121139. The reversal of 1100322121121 is 1211212230011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 382632721 + 1099939488400 = 19561^2 + 1048780^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1100322121121 - 2¹⁰ = 1100322120097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1100322121121.

It is not an unprimeable number, because it can be changed into a prime (1100322121181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13003166 + ... + 13087511.

It is an arithmetic number, because the mean of its divisors is an integer number (138893724333).

Almost surely, 2^{1100322121121} is an apocalyptic number.

It is an amenable number.

1100322121121 is a deficient number, since it is larger than the sum of its proper divisors (10827673543).

1100322121121 is a wasteful number, since it uses less digits than its factorization.

1100322121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26091091.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1100322121121 its reverse (1211212230011), we get a palindrome (2311534351132).

The spelling of 1100322121121 in words is "one trillion, one hundred billion, three hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-one".