11313100021 has 4 divisors (see below), whose sum is σ = 11324203200. Its totient is φ = 11301996844.

The previous prime is 11313100003. The next prime is 11313100037. The reversal of 11313100021 is 12000131311.

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 11313100021 - 2⁵ = 11313099989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11313099974 and 11313100010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313109021) 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, 5550061 + ... + 5552098.

It is an arithmetic number, because the mean of its divisors is an integer number (2831050800).

Almost surely, 2^11313100021 is an apocalyptic number.

It is an amenable number.

11313100021 is a deficient number, since it is larger than the sum of its proper divisors (11103179).

11313100021 is a wasteful number, since it uses less digits than its factorization.

11313100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11103178.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11313100021 its reverse (12000131311), we get a palindrome (23313231332).

The spelling of 11313100021 in words is "eleven billion, three hundred thirteen million, one hundred thousand, twenty-one".