243121311344222 has 16 divisors (see below), whose sum is σ = 370730773808640. Its totient is φ = 119557522044312.

The previous prime is 243121311344167. The next prime is 243121311344231. The reversal of 243121311344222 is 222443113121342.

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, 3283788572 + ... + 3283862607.

It is an arithmetic number, because the mean of its divisors is an integer number (23170673363040).

Almost surely, 2^{243121311344222} is an apocalyptic number.

243121311344222 is a deficient number, since it is larger than the sum of its proper divisors (127609462464418).

243121311344222 is a wasteful number, since it uses less digits than its factorization.

243121311344222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567651487.

The product of its digits is 55296, while the sum is 35.

Adding to 243121311344222 its reverse (222443113121342), we get a palindrome (465564424465564).

The spelling of 243121311344222 in words is "two hundred forty-three trillion, one hundred twenty-one billion, three hundred eleven million, three hundred forty-four thousand, two hundred twenty-two".