201222102011 has 8 divisors (see below), whose sum is σ = 230332571904. Its totient is φ = 172202745960.

The previous prime is 201222102007. The next prime is 201222102013. The reversal of 201222102011 is 110201222102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201222102011 - 2² = 201222102007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201222102013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22773725 + ... + 22782558.

It is an arithmetic number, because the mean of its divisors is an integer number (28791571488).

Almost surely, 2^201222102011 is an apocalyptic number.

201222102011 is a deficient number, since it is larger than the sum of its proper divisors (29110469893).

201222102011 is an equidigital number, since it uses as much as digits as its factorization.

201222102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45556921.

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

Adding to 201222102011 its reverse (110201222102), we get a palindrome (311423324113).

The spelling of 201222102011 in words is "two hundred one billion, two hundred twenty-two million, one hundred two thousand, eleven".