22201222220011 has 12 divisors (see below), whose sum is σ = 22684103501688. Its totient is φ = 21728410843712.

The previous prime is 22201222219991. The next prime is 22201222220077. The reversal of 22201222220011 is 11002222210222.

It is not a de Polignac number, because 22201222220011 - 2⁹ = 22201222219499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22201222220081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175987620 + ... + 176113726.

It is an arithmetic number, because the mean of its divisors is an integer number (1890341958474).

Almost surely, 2^{22201222220011} is an apocalyptic number.

22201222220011 is a deficient number, since it is larger than the sum of its proper divisors (482881281677).

22201222220011 is an equidigital number, since it uses as much as digits as its factorization.

22201222220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205898 (or 205851 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22201222220011 its reverse (11002222210222), we get a palindrome (33203444430233).

The spelling of 22201222220011 in words is "twenty-two trillion, two hundred one billion, two hundred twenty-two million, two hundred twenty thousand, eleven".