222000221101 has 4 divisors (see below), whose sum is σ = 226188904572. Its totient is φ = 217811537632.

The previous prime is 222000221071. The next prime is 222000221111. The reversal of 222000221101 is 101122000222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 157331222500 + 64668998601 = 396650^2 + 254301^2 .

It is a cyclic number.

It is not a de Polignac number, because 222000221101 - 2¹⁷ = 222000090029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222000221111) 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, 2094341656 + ... + 2094341761.

It is an arithmetic number, because the mean of its divisors is an integer number (56547226143).

Almost surely, 2^222000221101 is an apocalyptic number.

It is an amenable number.

222000221101 is a deficient number, since it is larger than the sum of its proper divisors (4188683471).

222000221101 is an equidigital number, since it uses as much as digits as its factorization.

222000221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4188683470.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222000221101 its reverse (101122000222), we get a palindrome (323122221323).

The spelling of 222000221101 in words is "two hundred twenty-two billion, two hundred twenty-one thousand, one hundred one".