22016263612321 has 4 divisors (see below), whose sum is σ = 24017742122544. Its totient is φ = 20014785102100.

The previous prime is 22016263612253. The next prime is 22016263612393. The reversal of 22016263612321 is 12321636261022.

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 22016263612321 - 2¹⁹ = 22016263088033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22016263613321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000739255095 + ... + 1000739255116.

It is an arithmetic number, because the mean of its divisors is an integer number (6004435530636).

Almost surely, 2^{22016263612321} is an apocalyptic number.

It is an amenable number.

22016263612321 is a deficient number, since it is larger than the sum of its proper divisors (2001478510223).

22016263612321 is a wasteful number, since it uses less digits than its factorization.

22016263612321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001478510222.

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 22016263612321 its reverse (12321636261022), we get a palindrome (34337899873343).

The spelling of 22016263612321 in words is "twenty-two trillion, sixteen billion, two hundred sixty-three million, six hundred twelve thousand, three hundred twenty-one".