21243114033 has 8 divisors (see below), whose sum is σ = 29237834496. Its totient is φ = 13705234800.

The previous prime is 21243114007. The next prime is 21243114041. The reversal of 21243114033 is 33041134212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21243114033 - 2²² = 21238919729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21243113994 and 21243114012.

It is not an unprimeable number, because it can be changed into a prime (21243114733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114210198 + ... + 114210383.

It is an arithmetic number, because the mean of its divisors is an integer number (3654729312).

Almost surely, 2^21243114033 is an apocalyptic number.

It is an amenable number.

21243114033 is a deficient number, since it is larger than the sum of its proper divisors (7994720463).

21243114033 is a wasteful number, since it uses less digits than its factorization.

21243114033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228420615.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21243114033 its reverse (33041134212), we get a palindrome (54284248245).

The spelling of 21243114033 in words is "twenty-one billion, two hundred forty-three million, one hundred fourteen thousand, thirty-three".