11231312221301 has 4 divisors (see below), whose sum is σ = 11232180120204. Its totient is φ = 11230444322400.

The previous prime is 11231312221291. The next prime is 11231312221303. The reversal of 11231312221301 is 10312221313211.

It is a happy number.

11231312221301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3829653302500 + 7401658918801 = 1956950^2 + 2720599^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11231312221301 is a prime.

It is a super-2 number, since 2×11231312221301² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231312221303) 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, 433930040 + ... + 433955921.

It is an arithmetic number, because the mean of its divisors is an integer number (2808045030051).

Almost surely, 2^{11231312221301} is an apocalyptic number.

It is an amenable number.

11231312221301 is a deficient number, since it is larger than the sum of its proper divisors (867898903).

11231312221301 is an equidigital number, since it uses as much as digits as its factorization.

11231312221301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867898902.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11231312221301 its reverse (10312221313211), we get a palindrome (21543533534512).

The spelling of 11231312221301 in words is "eleven trillion, two hundred thirty-one billion, three hundred twelve million, two hundred twenty-one thousand, three hundred one".