243121021414 has 16 divisors (see below), whose sum is σ = 377133705216. Its totient is φ = 117424125000.

The previous prime is 243121021307. The next prime is 243121021441. The reversal of 243121021414 is 414120121342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3550462 + ... + 3618289.

It is an arithmetic number, because the mean of its divisors is an integer number (23570856576).

Almost surely, 2^243121021414 is an apocalyptic number.

243121021414 is a deficient number, since it is larger than the sum of its proper divisors (134012683802).

243121021414 is a wasteful number, since it uses less digits than its factorization.

243121021414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7169331.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 243121021414 its reverse (414120121342), we get a palindrome (657241142756).

The spelling of 243121021414 in words is "two hundred forty-three billion, one hundred twenty-one million, twenty-one thousand, four hundred fourteen".