222221022221111 has 8 divisors (see below), whose sum is σ = 222510060837504. Its totient is φ = 221932098333880.

The previous prime is 222221022221101. The next prime is 222221022221131. The reversal of 222221022221111 is 111122220122222.

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

It is a cyclic number.

It is not a de Polignac number, because 222221022221111 - 2⁴⁶ = 151852278043447 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 (222221022221101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24805595 + ... + 32553948.

It is an arithmetic number, because the mean of its divisors is an integer number (27813757604688).

Almost surely, 2^{222221022221111} is an apocalyptic number.

222221022221111 is a deficient number, since it is larger than the sum of its proper divisors (289038616393).

222221022221111 is an equidigital number, since it uses as much as digits as its factorization.

222221022221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57364581.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 222221022221111 its reverse (111122220122222), we get a palindrome (333343242343333).

The spelling of 222221022221111 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, twenty-two million, two hundred twenty-one thousand, one hundred eleven".