2134121404231 has 2 divisors, whose sum is σ = 2134121404232. Its totient is φ = 2134121404230.

The previous prime is 2134121404201. The next prime is 2134121404273. The reversal of 2134121404231 is 1324041214312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2134121404231 - 2¹⁷ = 2134121273159 is a prime.

It is a super-2 number, since 2×2134121404231² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2134121404231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2134121404201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067060702115 + 1067060702116.

It is an arithmetic number, because the mean of its divisors is an integer number (1067060702116).

Almost surely, 2^{2134121404231} is an apocalyptic number.

2134121404231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134121404231 is an equidigital number, since it uses as much as digits as its factorization.

2134121404231 is an evil number, because the sum of its binary digits is even.

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

Adding to 2134121404231 its reverse (1324041214312), we get a palindrome (3458162618543).

It can be divided in two parts, 2134121 and 404231, that added together give a palindrome (2538352).

The spelling of 2134121404231 in words is "two trillion, one hundred thirty-four billion, one hundred twenty-one million, four hundred four thousand, two hundred thirty-one".