2101320113011 has 6 divisors (see below), whose sum is σ = 2444392784580. Its totient is φ = 1801131525396.

The previous prime is 2101320112921. The next prime is 2101320113033. The reversal of 2101320113011 is 1103110231012.

It is a happy number.

It is not a de Polignac number, because 2101320113011 - 2¹⁷ = 2101319981939 is a prime.

It is a super-2 number, since 2×2101320113011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101320113051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21442041921 + ... + 21442042018.

It is an arithmetic number, because the mean of its divisors is an integer number (407398797430).

Almost surely, 2^{2101320113011} is an apocalyptic number.

2101320113011 is a deficient number, since it is larger than the sum of its proper divisors (343072671569).

2101320113011 is an equidigital number, since it uses as much as digits as its factorization.

2101320113011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42884083953 (or 42884083946 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 2101320113011 its reverse (1103110231012), we get a palindrome (3204430344023).

The spelling of 2101320113011 in words is "two trillion, one hundred one billion, three hundred twenty million, one hundred thirteen thousand, eleven".