300221102121011 has 4 divisors (see below), whose sum is σ = 300361326832224. Its totient is φ = 300080877409800.

The previous prime is 300221102120981. The next prime is 300221102121043. The reversal of 300221102121011 is 110121201122003.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-300221102121011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (300221102111011) 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, 70112352395 + ... + 70112356676.

It is an arithmetic number, because the mean of its divisors is an integer number (75090331708056).

Almost surely, 2^{300221102121011} is an apocalyptic number.

300221102121011 is a deficient number, since it is larger than the sum of its proper divisors (140224711213).

300221102121011 is a wasteful number, since it uses less digits than its factorization.

300221102121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140224711212.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 300221102121011 its reverse (110121201122003), we get a palindrome (410342303243014).

The spelling of 300221102121011 in words is "three hundred trillion, two hundred twenty-one billion, one hundred two million, one hundred twenty-one thousand, eleven".