1121001313121 has 8 divisors (see below), whose sum is σ = 1238548765824. Its totient is φ = 1009187882560.

The previous prime is 1121001313099. The next prime is 1121001313141. The reversal of 1121001313121 is 1213131001211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121001313121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121001313121.

It is not an unprimeable number, because it can be changed into a prime (1121001313141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1433505125 + ... + 1433505906.

It is an arithmetic number, because the mean of its divisors is an integer number (154818595728).

Almost surely, 2^{1121001313121} is an apocalyptic number.

It is an amenable number.

1121001313121 is a deficient number, since it is larger than the sum of its proper divisors (117547452703).

1121001313121 is a wasteful number, since it uses less digits than its factorization.

1121001313121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867011071.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1121001313121 its reverse (1213131001211), we get a palindrome (2334132314332).

The spelling of 1121001313121 in words is "one trillion, one hundred twenty-one billion, one million, three hundred thirteen thousand, one hundred twenty-one".