230000313211221 has 16 divisors (see below), whose sum is σ = 350488589260928. Its totient is φ = 131424279840000.

The previous prime is 230000313211199. The next prime is 230000313211223. The reversal of 230000313211221 is 122112313000032.

It is not a de Polignac number, because 230000313211221 - 2¹⁰ = 230000313210197 is a prime.

It is a super-2 number, since 2×230000313211221² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230000313211223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185641480 + ... + 186876321.

It is an arithmetic number, because the mean of its divisors is an integer number (21905536828808).

Almost surely, 2^{230000313211221} is an apocalyptic number.

230000313211221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

230000313211221 is a deficient number, since it is larger than the sum of its proper divisors (120488276049707).

230000313211221 is a wasteful number, since it uses less digits than its factorization.

230000313211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372547212.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 230000313211221 its reverse (122112313000032), we get a palindrome (352112626211253).

The spelling of 230000313211221 in words is "two hundred thirty trillion, three hundred thirteen million, two hundred eleven thousand, two hundred twenty-one".