21314316055101 has 4 divisors (see below), whose sum is σ = 28419088073472. Its totient is φ = 14209544036732.

The previous prime is 21314316055091. The next prime is 21314316055121. The reversal of 21314316055101 is 10155061341312.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21314316055101 - 2¹⁰ = 21314316054077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21314316055121) 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, 3552386009181 + ... + 3552386009186.

It is an arithmetic number, because the mean of its divisors is an integer number (7104772018368).

Almost surely, 2^{21314316055101} is an apocalyptic number.

It is an amenable number.

21314316055101 is a deficient number, since it is larger than the sum of its proper divisors (7104772018371).

21314316055101 is an equidigital number, since it uses as much as digits as its factorization.

21314316055101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7104772018370.

The product of its (nonzero) digits is 10800, while the sum is 33.

Adding to 21314316055101 its reverse (10155061341312), we get a palindrome (31469377396413).

The spelling of 21314316055101 in words is "twenty-one trillion, three hundred fourteen billion, three hundred sixteen million, fifty-five thousand, one hundred one".