21101123003301 has 24 divisors (see below), whose sum is σ = 33255987148800. Its totient is φ = 12786354504000.

The previous prime is 21101123003297. The next prime is 21101123003309. The reversal of 21101123003301 is 10330032110112.

21101123003301 is a `hidden beast` number, since 2 + 1 + 101 + 1 + 230 + 0 + 330 + 1 = 666.

It is not a de Polignac number, because 21101123003301 - 2² = 21101123003297 is a prime.

It is a super-2 number, since 2×21101123003301² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21101123003309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17796901 + ... + 18945498.

It is an arithmetic number, because the mean of its divisors is an integer number (1385666131200).

Almost surely, 2^{21101123003301} is an apocalyptic number.

It is an amenable number.

21101123003301 is a deficient number, since it is larger than the sum of its proper divisors (12154864145499).

21101123003301 is a wasteful number, since it uses less digits than its factorization.

21101123003301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36748217 (or 36748214 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 21101123003301 its reverse (10330032110112), we get a palindrome (31431155113413).

The spelling of 21101123003301 in words is "twenty-one trillion, one hundred one billion, one hundred twenty-three million, three thousand, three hundred one".