201112022 has 4 divisors (see below), whose sum is σ = 301668036. Its totient is φ = 100556010.

The previous prime is 201112019. The next prime is 201112031. The reversal of 201112022 is 220211102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 201111994 and 201112012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50278004 + ... + 50278007.

It is an arithmetic number, because the mean of its divisors is an integer number (75417009).

Almost surely, 2^201112022 is an apocalyptic number.

201112022 is a deficient number, since it is larger than the sum of its proper divisors (100556014).

201112022 is a wasteful number, since it uses less digits than its factorization.

201112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100556013.

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

The square root of 201112022 is about 14181.3970397842. The cubic root of 201112022 is about 585.8854023871.

Adding to 201112022 its reverse (220211102), we get a palindrome (421323124).

The spelling of 201112022 in words is "two hundred one million, one hundred twelve thousand, twenty-two".