222021110011 has 4 divisors (see below), whose sum is σ = 222657274000. Its totient is φ = 221384946024.

The previous prime is 222021110009. The next prime is 222021110023. The reversal of 222021110011 is 110011120222.

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

It is a cyclic number.

It is not a de Polignac number, because 222021110011 - 2¹ = 222021110009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222021109973 and 222021110000.

It is not an unprimeable number, because it can be changed into a prime (222021110041) 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 3 ways as a sum of consecutive naturals, for example, 318081471 + ... + 318082168.

It is an arithmetic number, because the mean of its divisors is an integer number (55664318500).

Almost surely, 2^222021110011 is an apocalyptic number.

222021110011 is a deficient number, since it is larger than the sum of its proper divisors (636163989).

222021110011 is an equidigital number, since it uses as much as digits as its factorization.

222021110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636163988.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 222021110011 its reverse (110011120222), we get a palindrome (332032230233).

The spelling of 222021110011 in words is "two hundred twenty-two billion, twenty-one million, one hundred ten thousand, eleven".