11212103313 has 12 divisors (see below), whose sum is σ = 17147922948. Its totient is φ = 7035045120.

The previous prime is 11212103261. The next prime is 11212103323. The reversal of 11212103313 is 31330121211.

11212103313 is a `hidden beast` number, since 1 + 121 + 210 + 331 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5666024529 + 5546078784 = 75273^2 + 74472^2 .

It is not a de Polignac number, because 11212103313 - 2⁶ = 11212103249 is a prime.

It is a super-2 number, since 2×11212103313² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11212103323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36640708 + ... + 36641013.

It is an arithmetic number, because the mean of its divisors is an integer number (1428993579).

Almost surely, 2^11212103313 is an apocalyptic number.

It is an amenable number.

11212103313 is a deficient number, since it is larger than the sum of its proper divisors (5935819635).

11212103313 is a wasteful number, since it uses less digits than its factorization.

11212103313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73281744 (or 73281741 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11212103313 its reverse (31330121211), we get a palindrome (42542224524).

The spelling of 11212103313 in words is "eleven billion, two hundred twelve million, one hundred three thousand, three hundred thirteen".