22221102011 has 4 divisors (see below), whose sum is σ = 22441113024. Its totient is φ = 22001091000.

The previous prime is 22221101983. The next prime is 22221102019. The reversal of 22221102011 is 11020112222.

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 22221102011 - 2³⁰ = 21147360187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221102019) 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, 110005355 + ... + 110005556.

It is an arithmetic number, because the mean of its divisors is an integer number (5610278256).

Almost surely, 2^22221102011 is an apocalyptic number.

22221102011 is a deficient number, since it is larger than the sum of its proper divisors (220011013).

22221102011 is a wasteful number, since it uses less digits than its factorization.

22221102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220011012.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22221102011 its reverse (11020112222), we get a palindrome (33241214233).

It can be divided in two parts, 2222 and 1102011, that multiplied together give a palindrome (2448668442).

The spelling of 22221102011 in words is "twenty-two billion, two hundred twenty-one million, one hundred two thousand, eleven".