21027290103411 has 32 divisors (see below), whose sum is σ = 28682798284800. Its totient is φ = 13699009447200.

The previous prime is 21027290103397. The next prime is 21027290103481. The reversal of 21027290103411 is 11430109272012.

It is not a de Polignac number, because 21027290103411 - 2⁹ = 21027290102899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21027290103481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10204666 + ... + 12090896.

It is an arithmetic number, because the mean of its divisors is an integer number (896337446400).

Almost surely, 2^{21027290103411} is an apocalyptic number.

21027290103411 is a deficient number, since it is larger than the sum of its proper divisors (7655508181389).

21027290103411 is a wasteful number, since it uses less digits than its factorization.

21027290103411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886767.

The product of its (nonzero) digits is 6048, while the sum is 33.

Adding to 21027290103411 its reverse (11430109272012), we get a palindrome (32457399375423).

The spelling of 21027290103411 in words is "twenty-one trillion, twenty-seven billion, two hundred ninety million, one hundred three thousand, four hundred eleven".