21134230114233 has 16 divisors (see below), whose sum is σ = 28192059342720. Its totient is φ = 14082944836224.

The previous prime is 21134230114157. The next prime is 21134230114247. The reversal of 21134230114233 is 33241103243112.

It is not a de Polignac number, because 21134230114233 - 2⁸ = 21134230113977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21134230114233.

It is not an unprimeable number, because it can be changed into a prime (21134230164233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87176935 + ... + 87419027.

It is an arithmetic number, because the mean of its divisors is an integer number (1762003708920).

Almost surely, 2^{21134230114233} is an apocalyptic number.

It is an amenable number.

21134230114233 is a deficient number, since it is larger than the sum of its proper divisors (7057829228487).

21134230114233 is a wasteful number, since it uses less digits than its factorization.

21134230114233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255488.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 21134230114233 its reverse (33241103243112), we get a palindrome (54375333357345).

The spelling of 21134230114233 in words is "twenty-one trillion, one hundred thirty-four billion, two hundred thirty million, one hundred fourteen thousand, two hundred thirty-three".