21106674077333 has 16 divisors (see below), whose sum is σ = 22766072486976. Its totient is φ = 19452410651520.

The previous prime is 21106674077327. The next prime is 21106674077387. The reversal of 21106674077333 is 33377047660112.

It is a cyclic number.

It is not a de Polignac number, because 21106674077333 - 2¹⁰ = 21106674076309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21102674077333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25617353 + ... + 26428433.

It is an arithmetic number, because the mean of its divisors is an integer number (1422879530436).

Almost surely, 2^{21106674077333} is an apocalyptic number.

It is an amenable number.

21106674077333 is a deficient number, since it is larger than the sum of its proper divisors (1659398409643).

21106674077333 is a wasteful number, since it uses less digits than its factorization.

21106674077333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814244.

The product of its (nonzero) digits is 2667168, while the sum is 50.

The spelling of 21106674077333 in words is "twenty-one trillion, one hundred six billion, six hundred seventy-four million, seventy-seven thousand, three hundred thirty-three".