22011012011005 has 8 divisors (see below), whose sum is σ = 26459634828600. Its totient is φ = 17577862665216.

The previous prime is 22011012010961. The next prime is 22011012011039. The reversal of 22011012011005 is 50011021011022.

It can be written as a sum of positive squares in 4 ways, for example, as 73301230564 + 21937710780441 = 270742^2 + 4683771^2 .

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 22011012011005 - 2¹⁵ = 22011011978237 is a prime.

It is a super-2 number, since 2×22011012011005² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22011012011005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3868364820 + ... + 3868370509.

It is an arithmetic number, because the mean of its divisors is an integer number (3307454353575).

Almost surely, 2^{22011012011005} is an apocalyptic number.

It is an amenable number.

22011012011005 is a deficient number, since it is larger than the sum of its proper divisors (4448622817595).

22011012011005 is an equidigital number, since it uses as much as digits as its factorization.

22011012011005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7736735903.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 22011012011005 its reverse (50011021011022), we get a palindrome (72022033022027).

The spelling of 22011012011005 in words is "twenty-two trillion, eleven billion, twelve million, eleven thousand, five".