201220231335243 has 8 divisors (see below), whose sum is σ = 269104196590656. Its totient is φ = 133741543485000.

The previous prime is 201220231335157. The next prime is 201220231335269. The reversal of 201220231335243 is 342533132022102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201220231335243 - 2¹³ = 201220231327051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201220231335443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101319350133 + ... + 101319352118.

It is an arithmetic number, because the mean of its divisors is an integer number (33638024573832).

Almost surely, 2^{201220231335243} is an apocalyptic number.

201220231335243 is a deficient number, since it is larger than the sum of its proper divisors (67883965255413).

201220231335243 is a wasteful number, since it uses less digits than its factorization.

201220231335243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202638702585.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 201220231335243 its reverse (342533132022102), we get a palindrome (543753363357345).

The spelling of 201220231335243 in words is "two hundred one trillion, two hundred twenty billion, two hundred thirty-one million, three hundred thirty-five thousand, two hundred forty-three".