1130121313121 has 4 divisors (see below), whose sum is σ = 1132562180352. Its totient is φ = 1127680445892.

The previous prime is 1130121313073. The next prime is 1130121313127. The reversal of 1130121313121 is 1213131210311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1130121313121 - 2²² = 1130117118817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130121313093 and 1130121313102.

It is not an unprimeable number, because it can be changed into a prime (1130121313127) 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 3 ways as a sum of consecutive naturals, for example, 1220432921 + ... + 1220433846.

It is an arithmetic number, because the mean of its divisors is an integer number (283140545088).

Almost surely, 2^{1130121313121} is an apocalyptic number.

It is an amenable number.

1130121313121 is a deficient number, since it is larger than the sum of its proper divisors (2440867231).

1130121313121 is an equidigital number, since it uses as much as digits as its factorization.

1130121313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440867230.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1130121313121 its reverse (1213131210311), we get a palindrome (2343252523432).

The spelling of 1130121313121 in words is "one trillion, one hundred thirty billion, one hundred twenty-one million, three hundred thirteen thousand, one hundred twenty-one".