221230112330132 has 12 divisors (see below), whose sum is σ = 400502789563380. Its totient is φ = 106800743883456.

The previous prime is 221230112330107. The next prime is 221230112330251. The reversal of 221230112330132 is 231033211032122.

It can be written as a sum of positive squares in 2 ways, for example, as 183563857433476 + 37666254896656 = 13548574^2 + 6137284^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 953578070273 + ... + 953578070504.

It is an arithmetic number, because the mean of its divisors is an integer number (33375232463615).

Almost surely, 2^{221230112330132} is an apocalyptic number.

It is an amenable number.

221230112330132 is a deficient number, since it is larger than the sum of its proper divisors (179272677233248).

221230112330132 is a wasteful number, since it uses less digits than its factorization.

221230112330132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907156140810 (or 1907156140808 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 221230112330132 its reverse (231033211032122), we get a palindrome (452263323362254).

The spelling of 221230112330132 in words is "two hundred twenty-one trillion, two hundred thirty billion, one hundred twelve million, three hundred thirty thousand, one hundred thirty-two".