1101000000121 has 8 divisors (see below), whose sum is σ = 1258430797760. Its totient is φ = 943605473328.

The previous prime is 1101000000119. The next prime is 1101000000127. The reversal of 1101000000121 is 1210000001011.

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

It is not a de Polignac number, because 1101000000121 - 2¹ = 1101000000119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101000000127) 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, 9002631 + ... + 9124108.

It is an arithmetic number, because the mean of its divisors is an integer number (157303849720).

Almost surely, 2^{1101000000121} is an apocalyptic number.

It is an amenable number.

1101000000121 is a deficient number, since it is larger than the sum of its proper divisors (157430797639).

1101000000121 is an equidigital number, since it uses as much as digits as its factorization.

1101000000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18135423.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 1101000000121 its reverse (1210000001011), we get a palindrome (2311000001132).

The spelling of 1101000000121 in words is "one trillion, one hundred one billion, one hundred twenty-one", and thus it is an aban number.