222111101011 has 8 divisors (see below), whose sum is σ = 235196023680. Its totient is φ = 209028352128.

The previous prime is 222111100987. The next prime is 222111101027. The reversal of 222111101011 is 110101111222.

It is a happy number.

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 222111101011 - 2⁵ = 222111100979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222111100982 and 222111101000.

It is not an unprimeable number, because it can be changed into a prime (222111105011) 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, 330691 + ... + 744028.

It is an arithmetic number, because the mean of its divisors is an integer number (29399502960).

Almost surely, 2^222111101011 is an apocalyptic number.

222111101011 is a deficient number, since it is larger than the sum of its proper divisors (13084922669).

222111101011 is a wasteful number, since it uses less digits than its factorization.

222111101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086893.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 222111101011 its reverse (110101111222), we get a palindrome (332212212233).

The spelling of 222111101011 in words is "two hundred twenty-two billion, one hundred eleven million, one hundred one thousand, eleven".