21275123043033 has 12 divisors (see below), whose sum is σ = 31100983084080. Its totient is φ = 14012530839096.

The previous prime is 21275123043029. The next prime is 21275123043043. The reversal of 21275123043033 is 33034032157212.

21275123043033 is a `hidden beast` number, since 2 + 1 + 2 + 75 + 123 + 0 + 430 + 33 = 666.

It is not a de Polignac number, because 21275123043033 - 2² = 21275123043029 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21275123043023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14240376123 + ... + 14240377616.

It is an arithmetic number, because the mean of its divisors is an integer number (2591748590340).

Almost surely, 2^{21275123043033} is an apocalyptic number.

It is an amenable number.

21275123043033 is a deficient number, since it is larger than the sum of its proper divisors (9825860041047).

21275123043033 is a wasteful number, since it uses less digits than its factorization.

21275123043033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28480753828 (or 28480753825 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The spelling of 21275123043033 in words is "twenty-one trillion, two hundred seventy-five billion, one hundred twenty-three million, forty-three thousand, thirty-three".