2300121312221 has 2 divisors, whose sum is σ = 2300121312222. Its totient is φ = 2300121312220.

The previous prime is 2300121312187. The next prime is 2300121312253. The reversal of 2300121312221 is 1222131210032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1970345616100 + 329775696121 = 1403690^2 + 574261^2 .

It is a cyclic number.

It is not a de Polignac number, because 2300121312221 - 2⁶ = 2300121312157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2300121312193 and 2300121312202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2300121314221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1150060656110 + 1150060656111.

It is an arithmetic number, because the mean of its divisors is an integer number (1150060656111).

Almost surely, 2^{2300121312221} is an apocalyptic number.

It is an amenable number.

2300121312221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2300121312221 is an equidigital number, since it uses as much as digits as its factorization.

2300121312221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2300121312221 its reverse (1222131210032), we get a palindrome (3522252522253).

The spelling of 2300121312221 in words is "two trillion, three hundred billion, one hundred twenty-one million, three hundred twelve thousand, two hundred twenty-one".