1100330332121 has 4 divisors (see below), whose sum is σ = 1107338805732. Its totient is φ = 1093321858512.

The previous prime is 1100330332109. The next prime is 1100330332147. The reversal of 1100330332121 is 1212330330011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 102451206400 + 997879125721 = 320080^2 + 998939^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100330332121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100330332093 and 1100330332102.

It is not an unprimeable number, because it can be changed into a prime (1100330332181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3504236570 + ... + 3504236883.

It is an arithmetic number, because the mean of its divisors is an integer number (276834701433).

Almost surely, 2^{1100330332121} is an apocalyptic number.

It is an amenable number.

1100330332121 is a deficient number, since it is larger than the sum of its proper divisors (7008473611).

1100330332121 is an equidigital number, since it uses as much as digits as its factorization.

1100330332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7008473610.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1100330332121 its reverse (1212330330011), we get a palindrome (2312660662132).

The spelling of 1100330332121 in words is "one trillion, one hundred billion, three hundred thirty million, three hundred thirty-two thousand, one hundred twenty-one".