21011310211133 has 8 divisors (see below), whose sum is σ = 23918013205056. Its totient is φ = 18270704531200.

The previous prime is 21011310211123. The next prime is 21011310211139. The reversal of 21011310211133 is 33111201311012.

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

It is not a de Polignac number, because 21011310211133 - 2³⁶ = 20942590734397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21011310211139) 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, 41524328228 + ... + 41524328733.

It is an arithmetic number, because the mean of its divisors is an integer number (2989751650632).

Almost surely, 2^{21011310211133} is an apocalyptic number.

21011310211133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

21011310211133 is a deficient number, since it is larger than the sum of its proper divisors (2906702993923).

21011310211133 is a wasteful number, since it uses less digits than its factorization.

21011310211133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83048656995.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 21011310211133 its reverse (33111201311012), we get a palindrome (54122511522145).

The spelling of 21011310211133 in words is "twenty-one trillion, eleven billion, three hundred ten million, two hundred eleven thousand, one hundred thirty-three".