214221424401231 has 16 divisors (see below), whose sum is σ = 307600912700256. Its totient is φ = 131828175138816.

The previous prime is 214221424401217. The next prime is 214221424401233. The reversal of 214221424401231 is 132104424122412.

It is a happy number.

It is not a de Polignac number, because 214221424401231 - 2²¹ = 214221422304079 is a prime.

It is a super-2 number, since 2×214221424401231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214221424401192 and 214221424401201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214221424401233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5304571 + ... + 21367763.

It is an arithmetic number, because the mean of its divisors is an integer number (19225057043766).

Almost surely, 2^{214221424401231} is an apocalyptic number.

214221424401231 is a deficient number, since it is larger than the sum of its proper divisors (93379488299025).

214221424401231 is a wasteful number, since it uses less digits than its factorization.

214221424401231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16405162.

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 214221424401231 its reverse (132104424122412), we get a palindrome (346325848523643).

The spelling of 214221424401231 in words is "two hundred fourteen trillion, two hundred twenty-one billion, four hundred twenty-four million, four hundred one thousand, two hundred thirty-one".