1201100113313 has 4 divisors (see below), whose sum is σ = 1201111313220. Its totient is φ = 1201088913408.

The previous prime is 1201100113309. The next prime is 1201100113333. The reversal of 1201100113313 is 3133110011021.

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 28748219809 + 1172351893504 = 169553^2 + 1082752^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201100113313 - 2² = 1201100113309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201100113291 and 1201100113300.

It is not an unprimeable number, because it can be changed into a prime (1201100113333) 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, 5437520 + ... + 5654097.

It is an arithmetic number, because the mean of its divisors is an integer number (300277828305).

Almost surely, 2^{1201100113313} is an apocalyptic number.

It is an amenable number.

1201100113313 is a deficient number, since it is larger than the sum of its proper divisors (11199907).

1201100113313 is a wasteful number, since it uses less digits than its factorization.

1201100113313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11199906.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1201100113313 its reverse (3133110011021), we get a palindrome (4334210124334).

The spelling of 1201100113313 in words is "one trillion, two hundred one billion, one hundred million, one hundred thirteen thousand, three hundred thirteen".