1101330323121 has 32 divisors (see below), whose sum is σ = 1710377893888. Its totient is φ = 617327749440.

The previous prime is 1101330323117. The next prime is 1101330323143. The reversal of 1101330323121 is 1213230331011.

It is a happy number.

It is not a de Polignac number, because 1101330323121 - 2² = 1101330323117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101330323111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 701185 + ... + 1641438.

It is an arithmetic number, because the mean of its divisors is an integer number (53449309184).

Almost surely, 2^{1101330323121} is an apocalyptic number.

It is an amenable number.

1101330323121 is a deficient number, since it is larger than the sum of its proper divisors (609047570767).

1101330323121 is a wasteful number, since it uses less digits than its factorization.

1101330323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343061.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1101330323121 its reverse (1213230331011), we get a palindrome (2314560654132).

The spelling of 1101330323121 in words is "one trillion, one hundred one billion, three hundred thirty million, three hundred twenty-three thousand, one hundred twenty-one".