201222202011 has 4 divisors (see below), whose sum is σ = 268296269352. Its totient is φ = 134148134672.

The previous prime is 201222201953. The next prime is 201222202021. The reversal of 201222202011 is 110202222102.

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 201222202011 - 2¹¹ = 201222199963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201222202021) 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, 33537033666 + ... + 33537033671.

It is an arithmetic number, because the mean of its divisors is an integer number (67074067338).

Almost surely, 2^201222202011 is an apocalyptic number.

201222202011 is a deficient number, since it is larger than the sum of its proper divisors (67074067341).

201222202011 is an equidigital number, since it uses as much as digits as its factorization.

201222202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67074067340.

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

Adding to 201222202011 its reverse (110202222102), we get a palindrome (311424424113).

The spelling of 201222202011 in words is "two hundred one billion, two hundred twenty-two million, two hundred two thousand, eleven".