202201221102011 has 4 divisors (see below), whose sum is σ = 202215043060800. Its totient is φ = 202187399143224.

The previous prime is 202201221101953. The next prime is 202201221102017. The reversal of 202201221102011 is 110201122102202.

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 202201221102011 - 2¹⁰ = 202201221100987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202201221102017) 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, 6910957451 + ... + 6910986708.

It is an arithmetic number, because the mean of its divisors is an integer number (50553760765200).

Almost surely, 2^{202201221102011} is an apocalyptic number.

202201221102011 is a deficient number, since it is larger than the sum of its proper divisors (13821958789).

202201221102011 is a wasteful number, since it uses less digits than its factorization.

202201221102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13821958788.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202201221102011 its reverse (110201122102202), we get a palindrome (312402343204213).

The spelling of 202201221102011 in words is "two hundred two trillion, two hundred one billion, two hundred twenty-one million, one hundred two thousand, eleven".