11021123313 has 6 divisors (see below), whose sum is σ = 15919400354. Its totient is φ = 7347415536.

The previous prime is 11021123303. The next prime is 11021123327. The reversal of 11021123313 is 31332112011.

It can be written as a sum of positive squares in only one way, i.e., 7571088144 + 3450035169 = 87012^2 + 58737^2 .

It is not a de Polignac number, because 11021123313 - 2¹⁰ = 11021122289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021123303) 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 5 ways as a sum of consecutive naturals, for example, 612284620 + ... + 612284637.

Almost surely, 2^11021123313 is an apocalyptic number.

It is an amenable number.

11021123313 is a deficient number, since it is larger than the sum of its proper divisors (4898277041).

11021123313 is a wasteful number, since it uses less digits than its factorization.

11021123313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224569263 (or 1224569260 counting only the distinct ones).

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

Adding to 11021123313 its reverse (31332112011), we get a palindrome (42353235324).

The spelling of 11021123313 in words is "eleven billion, twenty-one million, one hundred twenty-three thousand, three hundred thirteen".