21314105355 has 16 divisors (see below), whose sum is σ = 34192558080. Its totient is φ = 11337526368.

The previous prime is 21314105339. The next prime is 21314105383. The reversal of 21314105355 is 55350141312.

It is not a de Polignac number, because 21314105355 - 2⁴ = 21314105339 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1868907 + ... + 1880276.

It is an arithmetic number, because the mean of its divisors is an integer number (2137034880).

Almost surely, 2^21314105355 is an apocalyptic number.

21314105355 is a deficient number, since it is larger than the sum of its proper divisors (12878452725).

21314105355 is a wasteful number, since it uses less digits than its factorization.

21314105355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3749570.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 21314105355 its reverse (55350141312), we get a palindrome (76664246667).

The spelling of 21314105355 in words is "twenty-one billion, three hundred fourteen million, one hundred five thousand, three hundred fifty-five".