214230234443021 has 4 divisors (see below), whose sum is σ = 214230447350652. Its totient is φ = 214230021535392.

The previous prime is 214230234442951. The next prime is 214230234443077. The reversal of 214230234443021 is 120344432032412.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 198381196665796 + 15849037777225 = 14084786^2 + 3981085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214230234443021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (217230234443021) 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 in 3 ways as a sum of consecutive naturals, for example, 104937296 + ... + 106959321.

It is an arithmetic number, because the mean of its divisors is an integer number (53557611837663).

Almost surely, 2^{214230234443021} is an apocalyptic number.

It is an amenable number.

214230234443021 is a deficient number, since it is larger than the sum of its proper divisors (212907631).

214230234443021 is a wasteful number, since it uses less digits than its factorization.

214230234443021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212907630.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 214230234443021 its reverse (120344432032412), we get a palindrome (334574666475433).

The spelling of 214230234443021 in words is "two hundred fourteen trillion, two hundred thirty billion, two hundred thirty-four million, four hundred forty-three thousand, twenty-one".