21133230433214 has 4 divisors (see below), whose sum is σ = 31699845649824. Its totient is φ = 10566615216606.

The previous prime is 21133230433207. The next prime is 21133230433223. The reversal of 21133230433214 is 41233403233112.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×21133230433214² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5283307608302 + ... + 5283307608305.

It is an arithmetic number, because the mean of its divisors is an integer number (7924961412456).

Almost surely, 2^{21133230433214} is an apocalyptic number.

21133230433214 is a deficient number, since it is larger than the sum of its proper divisors (10566615216610).

21133230433214 is a wasteful number, since it uses less digits than its factorization.

21133230433214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10566615216609.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 21133230433214 its reverse (41233403233112), we get a palindrome (62366633666326).

The spelling of 21133230433214 in words is "twenty-one trillion, one hundred thirty-three billion, two hundred thirty million, four hundred thirty-three thousand, two hundred fourteen".