221002222222011 has 8 divisors (see below), whose sum is σ = 295892325188944. Its totient is φ = 146723467034880.

The previous prime is 221002222221967. The next prime is 221002222222043. The reversal of 221002222222011 is 110222222200122.

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

It is not a de Polignac number, because 221002222222011 - 2⁷ = 221002222221883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221002222222081) 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 7 ways as a sum of consecutive naturals, for example, 152836944106 + ... + 152836945551.

It is an arithmetic number, because the mean of its divisors is an integer number (36986540648618).

Almost surely, 2^{221002222222011} is an apocalyptic number.

221002222222011 is a deficient number, since it is larger than the sum of its proper divisors (74890102966933).

221002222222011 is a wasteful number, since it uses less digits than its factorization.

221002222222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305673889901.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 221002222222011 its reverse (110222222200122), we get a palindrome (331224444422133).

The spelling of 221002222222011 in words is "two hundred twenty-one trillion, two billion, two hundred twenty-two million, two hundred twenty-two thousand, eleven".