21230130103111 has 4 divisors (see below), whose sum is σ = 21231939860824. Its totient is φ = 21228320345400.

The previous prime is 21230130103109. The next prime is 21230130103123. The reversal of 21230130103111 is 11130103103212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21230130103111 - 2¹ = 21230130103109 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 (21230130101111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904861260 + ... + 904884721.

It is an arithmetic number, because the mean of its divisors is an integer number (5307984965206).

Almost surely, 2^{21230130103111} is an apocalyptic number.

21230130103111 is a deficient number, since it is larger than the sum of its proper divisors (1809757713).

21230130103111 is a wasteful number, since it uses less digits than its factorization.

21230130103111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809757712.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 21230130103111 its reverse (11130103103212), we get a palindrome (32360233206323).

The spelling of 21230130103111 in words is "twenty-one trillion, two hundred thirty billion, one hundred thirty million, one hundred three thousand, one hundred eleven".