243420201102 has 64 divisors (see below), whose sum is σ = 543250774080. Its totient is φ = 72198196224.

The previous prime is 243420201097. The next prime is 243420201163. The reversal of 243420201102 is 201102024342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1308448 + ... + 1482860.

It is an arithmetic number, because the mean of its divisors is an integer number (8488293345).

Almost surely, 2^243420201102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243420201102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271625387040).

243420201102 is an abundant number, since it is smaller than the sum of its proper divisors (299830572978).

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

243420201102 is a wasteful number, since it uses less digits than its factorization.

243420201102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175077.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 243420201102 its reverse (201102024342), we get a palindrome (444522225444).

The spelling of 243420201102 in words is "two hundred forty-three billion, four hundred twenty million, two hundred one thousand, one hundred two".