201101221020011 has 16 divisors (see below), whose sum is σ = 224039110495200. Its totient is φ = 179230304510208.

The previous prime is 201101221019999. The next prime is 201101221020041. The reversal of 201101221020011 is 110020122101102.

It is a cyclic number.

It is not a de Polignac number, because 201101221020011 - 2³⁴ = 201084041150827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201101221020041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256805615 + ... + 257587511.

It is an arithmetic number, because the mean of its divisors is an integer number (14002444405950).

Almost surely, 2^{201101221020011} is an apocalyptic number.

201101221020011 is a deficient number, since it is larger than the sum of its proper divisors (22937889475189).

201101221020011 is a wasteful number, since it uses less digits than its factorization.

201101221020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464158.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201101221020011 its reverse (110020122101102), we get a palindrome (311121343121113).

The spelling of 201101221020011 in words is "two hundred one trillion, one hundred one billion, two hundred twenty-one million, twenty thousand, eleven".