214221124431242 has 4 divisors (see below), whose sum is σ = 321331686646866. Its totient is φ = 107110562215620.

The previous prime is 214221124431241. The next prime is 214221124431263. The reversal of 214221124431242 is 242134421122412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 128167282567801 + 86053841863441 = 11321099^2 + 9276521^2 .

It is not an unprimeable number, because it can be changed into a prime (214221124431241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53555281107809 + ... + 53555281107812.

Almost surely, 2^{214221124431242} is an apocalyptic number.

214221124431242 is a deficient number, since it is larger than the sum of its proper divisors (107110562215624).

214221124431242 is a wasteful number, since it uses less digits than its factorization.

214221124431242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107110562215623.

The product of its digits is 49152, while the sum is 35.

Adding to 214221124431242 its reverse (242134421122412), we get a palindrome (456355545553654).

The spelling of 214221124431242 in words is "two hundred fourteen trillion, two hundred twenty-one billion, one hundred twenty-four million, four hundred thirty-one thousand, two hundred forty-two".