1121001110121 has 16 divisors (see below), whose sum is σ = 1498006496448. Its totient is φ = 745666248000.

The previous prime is 1121001110111. The next prime is 1121001110129. The reversal of 1121001110121 is 1210111001211.

It is not a de Polignac number, because 1121001110121 - 2¹⁵ = 1121001077353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121001110097 and 1121001110106.

It is not an unprimeable number, because it can be changed into a prime (1121001110129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3180231 + ... + 3515091.

It is an arithmetic number, because the mean of its divisors is an integer number (93625406028).

Almost surely, 2^{1121001110121} is an apocalyptic number.

It is an amenable number.

1121001110121 is a deficient number, since it is larger than the sum of its proper divisors (377005386327).

1121001110121 is a wasteful number, since it uses less digits than its factorization.

1121001110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337352.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1121001110121 its reverse (1210111001211), we get a palindrome (2331112111332).

It can be divided in two parts, 112100 and 1110121, that added together give a palindrome (1222221).

The spelling of 1121001110121 in words is "one trillion, one hundred twenty-one billion, one million, one hundred ten thousand, one hundred twenty-one".