21410123113 has 8 divisors (see below), whose sum is σ = 21538802376. Its totient is φ = 21281558400.

The previous prime is 21410123099. The next prime is 21410123167. The reversal of 21410123113 is 31132101412.

It can be written as a sum of positive squares in 4 ways, for example, as 13162384 + 21396960729 = 3628^2 + 146277^2 .

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 21410123113 - 2⁵ = 21410123081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21410123173) by changing a digit.

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, 362223 + ... + 417163.

It is an arithmetic number, because the mean of its divisors is an integer number (2692350297).

Almost surely, 2^21410123113 is an apocalyptic number.

It is an amenable number.

21410123113 is a deficient number, since it is larger than the sum of its proper divisors (128679263).

21410123113 is a wasteful number, since it uses less digits than its factorization.

21410123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57275.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 21410123113 its reverse (31132101412), we get a palindrome (52542224525).

The spelling of 21410123113 in words is "twenty-one billion, four hundred ten million, one hundred twenty-three thousand, one hundred thirteen".