21314100055 has 8 divisors (see below), whose sum is σ = 25581597552. Its totient is φ = 17048161728.

The previous prime is 21314100053. The next prime is 21314100107. The reversal of 21314100055 is 55000141312.

It is a happy number.

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 21314100055 - 2¹ = 21314100053 is a prime.

It is a super-2 number, since 2×21314100055² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21314099999 and 21314100035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21314100053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359502 + ... + 414571.

It is an arithmetic number, because the mean of its divisors is an integer number (3197699694).

Almost surely, 2^21314100055 is an apocalyptic number.

21314100055 is a deficient number, since it is larger than the sum of its proper divisors (4267497497).

21314100055 is an equidigital number, since it uses as much as digits as its factorization.

21314100055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779585.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 21314100055 its reverse (55000141312), we get a palindrome (76314241367).

The spelling of 21314100055 in words is "twenty-one billion, three hundred fourteen million, one hundred thousand, fifty-five".