21127276333 has 8 divisors (see below), whose sum is σ = 21816241920. Its totient is φ = 20438775840.

The previous prime is 21127276297. The next prime is 21127276477. The reversal of 21127276333 is 33367272112.

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

It is a cyclic number.

It is not a de Polignac number, because 21127276333 - 2⁹ = 21127275821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21127276292 and 21127276301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21127216333) 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, 22735 + ... + 206812.

It is an arithmetic number, because the mean of its divisors is an integer number (2727030240).

Almost surely, 2^21127276333 is an apocalyptic number.

It is an amenable number.

21127276333 is a deficient number, since it is larger than the sum of its proper divisors (688965587).

21127276333 is a wasteful number, since it uses less digits than its factorization.

21127276333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232547.

The product of its digits is 63504, while the sum is 37.

The spelling of 21127276333 in words is "twenty-one billion, one hundred twenty-seven million, two hundred seventy-six thousand, three hundred thirty-three".