242221021300 has 18 divisors (see below), whose sum is σ = 525619616438. Its totient is φ = 96888408480.

The previous prime is 242221021271. The next prime is 242221021313. The reversal of 242221021300 is 3120122242.

It can be written as a sum of positive squares in 3 ways, for example, as 115691536 + 242105329764 = 10756^2 + 492042^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1211105007 + ... + 1211105206.

Almost surely, 2^242221021300 is an apocalyptic number.

242221021300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242221021300 is an abundant number, since it is smaller than the sum of its proper divisors (283398595138).

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

242221021300 is a wasteful number, since it uses less digits than its factorization.

242221021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422210227 (or 2422210220 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 242221021300 its reverse (3120122242), we get a palindrome (245341143542).

The spelling of 242221021300 in words is "two hundred forty-two billion, two hundred twenty-one million, twenty-one thousand, three hundred".