222201220011 has 16 divisors (see below), whose sum is σ = 301539533568. Its totient is φ = 145505210400.

The previous prime is 222201220001. The next prime is 222201220037. The reversal of 222201220011 is 110022102222.

It is not a de Polignac number, because 222201220011 - 2¹⁹ = 222200695723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222201220001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702045 + ... + 968126.

It is an arithmetic number, because the mean of its divisors is an integer number (18846220848).

Almost surely, 2^222201220011 is an apocalyptic number.

222201220011 is a deficient number, since it is larger than the sum of its proper divisors (79338313557).

222201220011 is a wasteful number, since it uses less digits than its factorization.

222201220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670962.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222201220011 its reverse (110022102222), we get a palindrome (332223322233).

The spelling of 222201220011 in words is "two hundred twenty-two billion, two hundred one million, two hundred twenty thousand, eleven".