221435301141 has 12 divisors (see below), whose sum is σ = 320859988332. Its totient is φ = 147157842816.

The previous prime is 221435301121. The next prime is 221435301149. The reversal of 221435301141 is 141103534122.

221435301141 is a `hidden beast` number, since 2 + 2 + 14 + 3 + 530 + 114 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 72767220516 + 148668080625 = 269754^2 + 385575^2 .

It is not a de Polignac number, because 221435301141 - 2¹⁸ = 221435038997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221435301149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38804596 + ... + 38810301.

It is an arithmetic number, because the mean of its divisors is an integer number (26738332361).

Almost surely, 2^221435301141 is an apocalyptic number.

It is an amenable number.

221435301141 is a deficient number, since it is larger than the sum of its proper divisors (99424687191).

221435301141 is a wasteful number, since it uses less digits than its factorization.

221435301141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77615220 (or 77615217 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 221435301141 its reverse (141103534122), we get a palindrome (362538835263).

The spelling of 221435301141 in words is "two hundred twenty-one billion, four hundred thirty-five million, three hundred one thousand, one hundred forty-one".