21314243251101 has 8 divisors (see below), whose sum is σ = 29079897769120. Its totient is φ = 13879042116912.

The previous prime is 21314243251057. The next prime is 21314243251109. The reversal of 21314243251101 is 10115234241312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21314243251101 - 2⁹ = 21314243250589 is a prime.

It is a super-2 number, since 2×21314243251101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21314243251109) 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, 82613345806 + ... + 82613346063.

It is an arithmetic number, because the mean of its divisors is an integer number (3634987221140).

Almost surely, 2^{21314243251101} is an apocalyptic number.

It is an amenable number.

21314243251101 is a deficient number, since it is larger than the sum of its proper divisors (7765654518019).

21314243251101 is a wasteful number, since it uses less digits than its factorization.

21314243251101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165226691915.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 21314243251101 its reverse (10115234241312), we get a palindrome (31429477492413).

The spelling of 21314243251101 in words is "twenty-one trillion, three hundred fourteen billion, two hundred forty-three million, two hundred fifty-one thousand, one hundred one".