21110103022133 has 8 divisors (see below), whose sum is σ = 21135086007000. Its totient is φ = 21085134225408.

The previous prime is 21110103022109. The next prime is 21110103022243. The reversal of 21110103022133 is 33122030101112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7633516945924 + 13476586076209 = 2762882^2 + 3671047^2 .

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 21110103022133 - 2⁴⁰ = 20010591394357 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 (21110103022633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568058 + ... + 6522491.

It is an arithmetic number, because the mean of its divisors is an integer number (2641885750875).

Almost surely, 2^{21110103022133} is an apocalyptic number.

It is an amenable number.

21110103022133 is a deficient number, since it is larger than the sum of its proper divisors (24982984867).

21110103022133 is a wasteful number, since it uses less digits than its factorization.

21110103022133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7094071.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21110103022133 its reverse (33122030101112), we get a palindrome (54232133123245).

The spelling of 21110103022133 in words is "twenty-one trillion, one hundred ten billion, one hundred three million, twenty-two thousand, one hundred thirty-three".