222020111 has 8 divisors (see below), whose sum is σ = 237194880. Its totient is φ = 207194328.

The previous prime is 222020093. The next prime is 222020131. The reversal of 222020111 is 111020222.

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 222020111 - 2¹⁰ = 222019087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222020092 and 222020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222020131) 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, 85931 + ... + 88476.

It is an arithmetic number, because the mean of its divisors is an integer number (29649360).

Almost surely, 2^222020111 is an apocalyptic number.

222020111 is a deficient number, since it is larger than the sum of its proper divisors (15174769).

222020111 is a wasteful number, since it uses less digits than its factorization.

222020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174493.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 222020111 is about 14900.3392914390. The cubic root of 222020111 is about 605.5231783467.

Adding to 222020111 its reverse (111020222), we get a palindrome (333040333).

The spelling of 222020111 in words is "two hundred twenty-two million, twenty thousand, one hundred eleven".