22200212011 has 4 divisors (see below), whose sum is σ = 22200510024. Its totient is φ = 22199914000.

The previous prime is 22200211993. The next prime is 22200212029. The reversal of 22200212011 is 11021200222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (22200211993) and next prime (22200212029).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22200212011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22200211982 and 22200212000.

It is not an unprimeable number, because it can be changed into a prime (22200212051) 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, 72096 + ... + 222706.

It is an arithmetic number, because the mean of its divisors is an integer number (5550127506).

Almost surely, 2^22200212011 is an apocalyptic number.

22200212011 is a deficient number, since it is larger than the sum of its proper divisors (298013).

22200212011 is a wasteful number, since it uses less digits than its factorization.

22200212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298012.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22200212011 its reverse (11021200222), we get a palindrome (33221412233).

The spelling of 22200212011 in words is "twenty-two billion, two hundred million, two hundred twelve thousand, eleven".