21110011311133 has 8 divisors (see below), whose sum is σ = 21340912162752. Its totient is φ = 20879381314176.

The previous prime is 21110011311127. The next prime is 21110011311197. The reversal of 21110011311133 is 33111311001112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21110011311133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21110011311133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21110081311133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67556935 + ... + 67868692.

It is an arithmetic number, because the mean of its divisors is an integer number (2667614020344).

Almost surely, 2^{21110011311133} is an apocalyptic number.

It is an amenable number.

21110011311133 is a deficient number, since it is larger than the sum of its proper divisors (230900851619).

21110011311133 is a wasteful number, since it uses less digits than its factorization.

21110011311133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135427331.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 21110011311133 its reverse (33111311001112), we get a palindrome (54221322312245).

The spelling of 21110011311133 in words is "twenty-one trillion, one hundred ten billion, eleven million, three hundred eleven thousand, one hundred thirty-three".