22011112005 has 32 divisors (see below), whose sum is σ = 35831030400. Its totient is φ = 11535025152.

The previous prime is 22011111971. The next prime is 22011112007. The reversal of 22011112005 is 50021111022.

It is not a de Polignac number, because 22011112005 - 2¹⁴ = 22011095621 is a prime.

It is a super-3 number, since 3×22011112005³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011112007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2623377 + ... + 2631753.

It is an arithmetic number, because the mean of its divisors is an integer number (1119719700).

Almost surely, 2^22011112005 is an apocalyptic number.

It is an amenable number.

22011112005 is a deficient number, since it is larger than the sum of its proper divisors (13819918395).

22011112005 is a wasteful number, since it uses less digits than its factorization.

22011112005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11413.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 22011112005 its reverse (50021111022), we get a palindrome (72032223027).

The spelling of 22011112005 in words is "twenty-two billion, eleven million, one hundred twelve thousand, five".