11301013222221 has 4 divisors (see below), whose sum is σ = 15068017629632. Its totient is φ = 7534008814812.

The previous prime is 11301013222201. The next prime is 11301013222231. The reversal of 11301013222221 is 12222231010311.

11301013222221 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-11301013222221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11301013222201) 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, 1883502203701 + ... + 1883502203706.

It is an arithmetic number, because the mean of its divisors is an integer number (3767004407408).

Almost surely, 2^{11301013222221} is an apocalyptic number.

It is an amenable number.

11301013222221 is a deficient number, since it is larger than the sum of its proper divisors (3767004407411).

11301013222221 is an equidigital number, since it uses as much as digits as its factorization.

11301013222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767004407410.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11301013222221 its reverse (12222231010311), we get a palindrome (23523244232532).

The spelling of 11301013222221 in words is "eleven trillion, three hundred one billion, thirteen million, two hundred twenty-two thousand, two hundred twenty-one".