21130123414 has 16 divisors (see below), whose sum is σ = 33076926720. Its totient is φ = 10104583720.

The previous prime is 21130123363. The next prime is 21130123453. The reversal of 21130123414 is 41432103112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512799 + ... + 552469.

It is an arithmetic number, because the mean of its divisors is an integer number (2067307920).

Almost surely, 2^21130123414 is an apocalyptic number.

21130123414 is a deficient number, since it is larger than the sum of its proper divisors (11946803306).

21130123414 is a wasteful number, since it uses less digits than its factorization.

21130123414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51275.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21130123414 its reverse (41432103112), we get a palindrome (62562226526).

The spelling of 21130123414 in words is "twenty-one billion, one hundred thirty million, one hundred twenty-three thousand, four hundred fourteen".