214234103021 has 4 divisors (see below), whose sum is σ = 214267474044. Its totient is φ = 214200732000.

The previous prime is 214234102961. The next prime is 214234103047. The reversal of 214234103021 is 120301432412.

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 144848748100 + 69385354921 = 380590^2 + 263411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214234103021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214234103621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16675880 + ... + 16688721.

It is an arithmetic number, because the mean of its divisors is an integer number (53566868511).

Almost surely, 2^214234103021 is an apocalyptic number.

It is an amenable number.

214234103021 is a deficient number, since it is larger than the sum of its proper divisors (33371023).

214234103021 is an equidigital number, since it uses as much as digits as its factorization.

214234103021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33371022.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 214234103021 its reverse (120301432412), we get a palindrome (334535535433).

The spelling of 214234103021 in words is "two hundred fourteen billion, two hundred thirty-four million, one hundred three thousand, twenty-one".