300202220011021 has 2 divisors, whose sum is σ = 300202220011022. Its totient is φ = 300202220011020.

The previous prime is 300202220011019. The next prime is 300202220011027. The reversal of 300202220011021 is 120110022202003.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283619651502121 + 16582568508900 = 16841011^2 + 4072170^2 .

It is an emirp because it is prime and its reverse (120110022202003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 300202220011021 - 2¹ = 300202220011019 is a prime.

It is a super-2 number, since 2×300202220011021² (a number of 30 digits) contains 22 as substring.

Together with 300202220011019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 300202220010986 and 300202220011004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (300202220011027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150101110005510 + 150101110005511.

It is an arithmetic number, because the mean of its divisors is an integer number (150101110005511).

Almost surely, 2^{300202220011021} is an apocalyptic number.

It is an amenable number.

300202220011021 is a deficient number, since it is larger than the sum of its proper divisors (1).

300202220011021 is an equidigital number, since it uses as much as digits as its factorization.

300202220011021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 300202220011021 its reverse (120110022202003), we get a palindrome (420312242213024).

The spelling of 300202220011021 in words is "three hundred trillion, two hundred two billion, two hundred twenty million, eleven thousand, twenty-one".