222220011111 has 32 divisors (see below), whose sum is σ = 348160382976. Its totient is φ = 123428448000.

The previous prime is 222220011077. The next prime is 222220011113. The reversal of 222220011111 is 111110022222.

It is not a de Polignac number, because 222220011111 - 2⁷ = 222220010983 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222220011113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242860 + ... + 709521.

It is an arithmetic number, because the mean of its divisors is an integer number (10880011968).

Almost surely, 2^222220011111 is an apocalyptic number.

222220011111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

222220011111 is a deficient number, since it is larger than the sum of its proper divisors (125940371865).

222220011111 is a wasteful number, since it uses less digits than its factorization.

222220011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952703.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222220011111 its reverse (111110022222), we get a palindrome (333330033333).

The spelling of 222220011111 in words is "two hundred twenty-two billion, two hundred twenty million, eleven thousand, one hundred eleven".