21011411011433 has 8 divisors (see below), whose sum is σ = 21236352614400. Its totient is φ = 20787054433488.

The previous prime is 21011411011343. The next prime is 21011411011457. The reversal of 21011411011433 is 33411011411012.

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 21011411011433 - 2¹⁰ = 21011411010409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21011411011399 and 21011411011408.

It is not an unprimeable number, because it can be changed into a prime (21011411011463) 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, 146184041 + ... + 146327702.

It is an arithmetic number, because the mean of its divisors is an integer number (2654544076800).

Almost surely, 2^{21011411011433} is an apocalyptic number.

It is an amenable number.

21011411011433 is a deficient number, since it is larger than the sum of its proper divisors (224941602967).

21011411011433 is a wasteful number, since it uses less digits than its factorization.

21011411011433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292512511.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 21011411011433 its reverse (33411011411012), we get a palindrome (54422422422445).

The spelling of 21011411011433 in words is "twenty-one trillion, eleven billion, four hundred eleven million, eleven thousand, four hundred thirty-three".