230220121311 has 12 divisors (see below), whose sum is σ = 332544605640. Its totient is φ = 153478036080.

The previous prime is 230220121303. The next prime is 230220121319. The reversal of 230220121311 is 113121022032.

230220121311 is a `hidden beast` number, since 230 + 2 + 2 + 0 + 121 + 311 = 666.

230220121311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (230220121303) and next prime (230220121319).

It is not a de Polignac number, because 230220121311 - 2³ = 230220121303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230220121319) 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 in 11 ways as a sum of consecutive naturals, for example, 889905 + ... + 1119093.

It is an arithmetic number, because the mean of its divisors is an integer number (27712050470).

Almost surely, 2^230220121311 is an apocalyptic number.

230220121311 is a deficient number, since it is larger than the sum of its proper divisors (102324484329).

230220121311 is a wasteful number, since it uses less digits than its factorization.

230220121311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340806 (or 340803 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 230220121311 its reverse (113121022032), we get a palindrome (343341143343).

The spelling of 230220121311 in words is "two hundred thirty billion, two hundred twenty million, one hundred twenty-one thousand, three hundred eleven".