222222123011 has 8 divisors (see below), whose sum is σ = 262160661504. Its totient is φ = 184331714760.

The previous prime is 222222123001. The next prime is 222222123023. The reversal of 222222123011 is 110321222222.

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 222222123011 - 2²² = 222217928707 is a prime.

It is a super-2 number, since 2×222222123011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222222123001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512032325 + ... + 512032758.

It is an arithmetic number, because the mean of its divisors is an integer number (32770082688).

Almost surely, 2^222222123011 is an apocalyptic number.

222222123011 is a deficient number, since it is larger than the sum of its proper divisors (39938538493).

222222123011 is a wasteful number, since it uses less digits than its factorization.

222222123011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024065121.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 222222123011 its reverse (110321222222), we get a palindrome (332543345233).

The spelling of 222222123011 in words is "two hundred twenty-two billion, two hundred twenty-two million, one hundred twenty-three thousand, eleven".