216263112424101 has 6 divisors (see below), whose sum is σ = 312380051279270. Its totient is φ = 144175408282728.

The previous prime is 216263112424027. The next prime is 216263112424133. The reversal of 216263112424101 is 101424211362612.

216263112424101 is a `hidden beast` number, since 2 + 1 + 6 + 2 + 631 + 1 + 2 + 4 + 2 + 4 + 10 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 216137807043876 + 125305380225 = 14701626^2 + 353985^2 .

It is not a de Polignac number, because 216263112424101 - 2¹⁰ = 216263112423077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216263112420101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12014617356886 + ... + 12014617356903.

Almost surely, 2^{216263112424101} is an apocalyptic number.

It is an amenable number.

216263112424101 is a deficient number, since it is larger than the sum of its proper divisors (96116938855169).

216263112424101 is a wasteful number, since it uses less digits than its factorization.

216263112424101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24029234713795 (or 24029234713792 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

Adding to 216263112424101 its reverse (101424211362612), we get a palindrome (317687323786713).

The spelling of 216263112424101 in words is "two hundred sixteen trillion, two hundred sixty-three billion, one hundred twelve million, four hundred twenty-four thousand, one hundred one".