201111112022 has 8 divisors (see below), whose sum is σ = 302918397672. Its totient is φ = 100138312800.

The previous prime is 201111112003. The next prime is 201111112051. The reversal of 201111112022 is 220211111102.

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

It is a junction number, because it is equal to n+sod(n) for n = 201111111988 and 201111112006.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 208621004 + ... + 208621967.

It is an arithmetic number, because the mean of its divisors is an integer number (37864799709).

Almost surely, 2^201111112022 is an apocalyptic number.

201111112022 is a deficient number, since it is larger than the sum of its proper divisors (101807285650).

201111112022 is a wasteful number, since it uses less digits than its factorization.

201111112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417243214.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201111112022 its reverse (220211111102), we get a palindrome (421322223124).

The spelling of 201111112022 in words is "two hundred one billion, one hundred eleven million, one hundred twelve thousand, twenty-two".