230121202361 has 2 divisors, whose sum is σ = 230121202362. Its totient is φ = 230121202360.

The previous prime is 230121202357. The next prime is 230121202379. The reversal of 230121202361 is 163202121032.

230121202361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221788251136 + 8332951225 = 470944^2 + 91285^2 .

It is a cyclic number.

It is not a de Polignac number, because 230121202361 - 2² = 230121202357 is a prime.

It is not a weakly prime, because it can be changed into another prime (230121202331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115060601180 + 115060601181.

It is an arithmetic number, because the mean of its divisors is an integer number (115060601181).

Almost surely, 2^230121202361 is an apocalyptic number.

It is an amenable number.

230121202361 is a deficient number, since it is larger than the sum of its proper divisors (1).

230121202361 is an equidigital number, since it uses as much as digits as its factorization.

230121202361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 230121202361 its reverse (163202121032), we get a palindrome (393323323393).

The spelling of 230121202361 in words is "two hundred thirty billion, one hundred twenty-one million, two hundred two thousand, three hundred sixty-one".