1101123211129 has 8 divisors (see below), whose sum is σ = 1188618759360. Its totient is φ = 1016929381776.

The previous prime is 1101123211109. The next prime is 1101123211147. The reversal of 1101123211129 is 9211123211011.

It is a happy number.

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 1101123211129 - 2¹⁵ = 1101123178361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101123211109) 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 7 ways as a sum of consecutive naturals, for example, 825429027 + ... + 825430360.

It is an arithmetic number, because the mean of its divisors is an integer number (148577344920).

Almost surely, 2^{1101123211129} is an apocalyptic number.

It is an amenable number.

1101123211129 is a deficient number, since it is larger than the sum of its proper divisors (87495548231).

1101123211129 is a wasteful number, since it uses less digits than its factorization.

1101123211129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650859439.

The product of its (nonzero) digits is 216, while the sum is 25.

The spelling of 1101123211129 in words is "one trillion, one hundred one billion, one hundred twenty-three million, two hundred eleven thousand, one hundred twenty-nine".