2111302120313 has 4 divisors (see below), whose sum is σ = 2222423284560. Its totient is φ = 2000180956068.

The previous prime is 2111302120271. The next prime is 2111302120357. The reversal of 2111302120313 is 3130212031112.

It is a happy number.

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 2111302120313 - 2¹⁴ = 2111302103929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2111302120913) 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, 55560582095 + ... + 55560582132.

It is an arithmetic number, because the mean of its divisors is an integer number (555605821140).

Almost surely, 2^{2111302120313} is an apocalyptic number.

It is an amenable number.

2111302120313 is a deficient number, since it is larger than the sum of its proper divisors (111121164247).

2111302120313 is a wasteful number, since it uses less digits than its factorization.

2111302120313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111121164246.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2111302120313 its reverse (3130212031112), we get a palindrome (5241514151425).

The spelling of 2111302120313 in words is "two trillion, one hundred eleven billion, three hundred two million, one hundred twenty thousand, three hundred thirteen".