221042000232144 has 180 divisors, whose sum is σ = 765550224837216. Its totient is φ = 58296791225088.

The previous prime is 221042000232143. The next prime is 221042000232167. The reversal of 221042000232144 is 441232000240122.

It is a happy number.

221042000232144 is a `hidden beast` number, since 2 + 2 + 1 + 0 + 420 + 0 + 0 + 23 + 214 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221042000232143) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 648609822 + ... + 648950525.

Almost surely, 2^{221042000232144} is an apocalyptic number.

221042000232144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

221042000232144 is an abundant number, since it is smaller than the sum of its proper divisors (544508224605072).

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

221042000232144 is a wasteful number, since it uses less digits than its factorization.

221042000232144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297560394 (or 1297560372 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 221042000232144 its reverse (441232000240122), we get a palindrome (662274000472266).

The spelling of 221042000232144 in words is "two hundred twenty-one trillion, forty-two billion, two hundred thirty-two thousand, one hundred forty-four".