214121421030340 has 12 divisors (see below), whose sum is σ = 449654984163756. Its totient is φ = 85648568412128.

The previous prime is 214121421030331. The next prime is 214121421030343. The reversal of 214121421030340 is 43030124121412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 90581930642116 + 123539490388224 = 9517454^2 + 11114832^2 .

It is a super-3 number, since 3×214121421030340³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214121421030299 and 214121421030308.

It is not an unprimeable number, because it can be changed into a prime (214121421030343) 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, 5353035525739 + ... + 5353035525778.

It is an arithmetic number, because the mean of its divisors is an integer number (37471248680313).

Almost surely, 2^{214121421030340} is an apocalyptic number.

214121421030340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214121421030340 is an abundant number, since it is smaller than the sum of its proper divisors (235533563133416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214121421030340 is a wasteful number, since it uses less digits than its factorization.

214121421030340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10706071051526 (or 10706071051524 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 214121421030340 its reverse (43030124121412), we get a palindrome (257151545151752).

The spelling of 214121421030340 in words is "two hundred fourteen trillion, one hundred twenty-one billion, four hundred twenty-one million, thirty thousand, three hundred forty".