222222120101111 has 8 divisors (see below), whose sum is σ = 243831528007200. Its totient is φ = 201257769147552.

The previous prime is 222222120101071. The next prime is 222222120101119. The reversal of 222222120101111 is 111101021222222.

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

It is a de Polignac number, because none of the positive numbers 2^k-222222120101111 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 (222222120101119) 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, 161264237411 + ... + 161264238788.

It is an arithmetic number, because the mean of its divisors is an integer number (30478941000900).

Almost surely, 2^{222222120101111} is an apocalyptic number.

222222120101111 is a deficient number, since it is larger than the sum of its proper divisors (21609407906089).

222222120101111 is a wasteful number, since it uses less digits than its factorization.

222222120101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322528476265.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 222222120101111 its reverse (111101021222222), we get a palindrome (333323141323333).

The spelling of 222222120101111 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one hundred twenty million, one hundred one thousand, one hundred eleven".