11313201223021 has 2 divisors, whose sum is σ = 11313201223022. Its totient is φ = 11313201223020.

The previous prime is 11313201223003. The next prime is 11313201223031. The reversal of 11313201223021 is 12032210231311.

11313201223021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6198411894921 + 5114789328100 = 2489661^2 + 2261590^2 .

It is a cyclic number.

It is not a de Polignac number, because 11313201223021 - 2¹⁵ = 11313201190253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11313201222983 and 11313201223001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11313201223001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656600611510 + 5656600611511.

It is an arithmetic number, because the mean of its divisors is an integer number (5656600611511).

Almost surely, 2^{11313201223021} is an apocalyptic number.

It is an amenable number.

11313201223021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11313201223021 is an equidigital number, since it uses as much as digits as its factorization.

11313201223021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11313201223021 its reverse (12032210231311), we get a palindrome (23345411454332).

The spelling of 11313201223021 in words is "eleven trillion, three hundred thirteen billion, two hundred one million, two hundred twenty-three thousand, twenty-one".