221102002120011 has 16 divisors (see below), whose sum is σ = 307621196064000. Its totient is φ = 140992113928160.

The previous prime is 221102002119991. The next prime is 221102002120067. The reversal of 221102002120011 is 110021200201122.

It is not a de Polignac number, because 221102002120011 - 2²¹ = 221102000022859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221102002120081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16301365 + ... + 26607113.

It is an arithmetic number, because the mean of its divisors is an integer number (19226324754000).

Almost surely, 2^{221102002120011} is an apocalyptic number.

221102002120011 is a deficient number, since it is larger than the sum of its proper divisors (86519193943989).

221102002120011 is a wasteful number, since it uses less digits than its factorization.

221102002120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10616706.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221102002120011 its reverse (110021200201122), we get a palindrome (331123202321133).

The spelling of 221102002120011 in words is "two hundred twenty-one trillion, one hundred two billion, two million, one hundred twenty thousand, eleven".