21026041133 has 8 divisors (see below), whose sum is σ = 22438167552. Its totient is φ = 19633392576.

The previous prime is 21026041109. The next prime is 21026041147. The reversal of 21026041133 is 33114062012.

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 21026041133 - 2⁸ = 21026040877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21026041099 and 21026041108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21026041163) 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, 4867235 + ... + 4871552.

It is an arithmetic number, because the mean of its divisors is an integer number (2804770944).

Almost surely, 2^21026041133 is an apocalyptic number.

It is an amenable number.

21026041133 is a deficient number, since it is larger than the sum of its proper divisors (1412126419).

21026041133 is a wasteful number, since it uses less digits than its factorization.

21026041133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9738931.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 21026041133 in words is "twenty-one billion, twenty-six million, forty-one thousand, one hundred thirty-three".