1130121212113 has 4 divisors (see below), whose sum is σ = 1134142996068. Its totient is φ = 1126099428160.

The previous prime is 1130121212089. The next prime is 1130121212119. The reversal of 1130121212113 is 3112121210311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 842619351249 + 287501860864 = 917943^2 + 536192^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130121212113 - 2⁹ = 1130121211601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130121212119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2010891556 + ... + 2010892117.

It is an arithmetic number, because the mean of its divisors is an integer number (283535749017).

Almost surely, 2^{1130121212113} is an apocalyptic number.

It is an amenable number.

1130121212113 is a deficient number, since it is larger than the sum of its proper divisors (4021783955).

1130121212113 is an equidigital number, since it uses as much as digits as its factorization.

1130121212113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021783954.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1130121212113 its reverse (3112121210311), we get a palindrome (4242242422424).

The spelling of 1130121212113 in words is "one trillion, one hundred thirty billion, one hundred twenty-one million, two hundred twelve thousand, one hundred thirteen".