201222220011 has 32 divisors (see below), whose sum is σ = 274912619520. Its totient is φ = 130888742400.

The previous prime is 201222219953. The next prime is 201222220013. The reversal of 201222220011 is 110022222102.

It is a de Polignac number, because none of the positive numbers 2^k-201222220011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201222220013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7468881 + ... + 7495773.

It is an arithmetic number, because the mean of its divisors is an integer number (8591019360).

Almost surely, 2^201222220011 is an apocalyptic number.

201222220011 is a deficient number, since it is larger than the sum of its proper divisors (73690399509).

201222220011 is a wasteful number, since it uses less digits than its factorization.

201222220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27347.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201222220011 its reverse (110022222102), we get a palindrome (311244442113).

The spelling of 201222220011 in words is "two hundred one billion, two hundred twenty-two million, two hundred twenty thousand, eleven".