2011221110201 has 8 divisors (see below), whose sum is σ = 2049878625984. Its totient is φ = 1972589888880.

The previous prime is 2011221110191. The next prime is 2011221110209. The reversal of 2011221110201 is 1020111221102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011221110201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011221110209) 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, 6419135 + ... + 6725156.

It is an arithmetic number, because the mean of its divisors is an integer number (256234828248).

Almost surely, 2^{2011221110201} is an apocalyptic number.

It is an amenable number.

2011221110201 is a deficient number, since it is larger than the sum of its proper divisors (38657515783).

2011221110201 is a wasteful number, since it uses less digits than its factorization.

2011221110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13147231.

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

Adding to 2011221110201 its reverse (1020111221102), we get a palindrome (3031332331303).

The spelling of 2011221110201 in words is "two trillion, eleven billion, two hundred twenty-one million, one hundred ten thousand, two hundred one".