22012200011 has 4 divisors (see below), whose sum is σ = 22016319024. Its totient is φ = 22008081000.

The previous prime is 22012199999. The next prime is 22012200029. The reversal of 22012200011 is 11000221022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22012200011 - 2¹⁸ = 22011937867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22012199965 and 22012200001.

It is not an unprimeable number, because it can be changed into a prime (22012200031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2051480 + ... + 2062181.

It is an arithmetic number, because the mean of its divisors is an integer number (5504079756).

Almost surely, 2^22012200011 is an apocalyptic number.

22012200011 is a deficient number, since it is larger than the sum of its proper divisors (4119013).

22012200011 is an equidigital number, since it uses as much as digits as its factorization.

22012200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119012.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22012200011 its reverse (11000221022), we get a palindrome (33012421033).

The spelling of 22012200011 in words is "twenty-two billion, twelve million, two hundred thousand, eleven".