201112011122212 has 12 divisors (see below), whose sum is σ = 351958911922800. Its totient is φ = 100552322001416.

The previous prime is 201112011122173. The next prime is 201112011122291. The reversal of 201112011122212 is 212221110211102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 201112011122212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920767078 + ... + 920985469.

It is an arithmetic number, because the mean of its divisors is an integer number (29329909326900).

Almost surely, 2^{201112011122212} is an apocalyptic number.

It is an amenable number.

201112011122212 is a deficient number, since it is larger than the sum of its proper divisors (150846900800588).

201112011122212 is a wasteful number, since it uses less digits than its factorization.

201112011122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841779850 (or 1841779848 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 201112011122212 its reverse (212221110211102), we get a palindrome (413333121333314).

The spelling of 201112011122212 in words is "two hundred one trillion, one hundred twelve billion, eleven million, one hundred twenty-two thousand, two hundred twelve".