221000221002111 has 16 divisors (see below), whose sum is σ = 302631679219200. Its totient is φ = 143351141357088.

The previous prime is 221000221002101. The next prime is 221000221002137. The reversal of 221000221002111 is 111200122000122.

It is not a de Polignac number, because 221000221002111 - 2⁷ = 221000221001983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221000221002101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47306310 + ... + 51767628.

It is an arithmetic number, because the mean of its divisors is an integer number (18914479951200).

Almost surely, 2^{221000221002111} is an apocalyptic number.

221000221002111 is a deficient number, since it is larger than the sum of its proper divisors (81631458217089).

221000221002111 is a wasteful number, since it uses less digits than its factorization.

221000221002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4907638.

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

Adding to 221000221002111 its reverse (111200122000122), we get a palindrome (332200343002233).

The spelling of 221000221002111 in words is "two hundred twenty-one trillion, two hundred twenty-one million, two thousand, one hundred eleven".