221312130101230 has 128 divisors (see below), whose sum is σ = 489462009569280. Its totient is φ = 70321970534400.

The previous prime is 221312130101207. The next prime is 221312130101287. The reversal of 221312130101230 is 32101031213122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31910055 + ... + 38221405.

It is an arithmetic number, because the mean of its divisors is an integer number (3823921949760).

Almost surely, 2^{221312130101230} is an apocalyptic number.

221312130101230 is an abundant number, since it is smaller than the sum of its proper divisors (268149879468050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221312130101230 is a wasteful number, since it uses less digits than its factorization.

221312130101230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6311834.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 221312130101230 its reverse (32101031213122), we get a palindrome (253413161314352).

The spelling of 221312130101230 in words is "two hundred twenty-one trillion, three hundred twelve billion, one hundred thirty million, one hundred one thousand, two hundred thirty".