201110222012 has 12 divisors (see below), whose sum is σ = 402220444080. Its totient is φ = 86190095136.

The previous prime is 201110221993. The next prime is 201110222021. The reversal of 201110222012 is 210222011102.

201110222012 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

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, 3591253937 + ... + 3591253992.

It is an arithmetic number, because the mean of its divisors is an integer number (33518370340).

Almost surely, 2^201110222012 is an apocalyptic number.

It is an amenable number.

201110222012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201110222012 is a wasteful number, since it uses less digits than its factorization.

201110222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7182507940 (or 7182507938 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201110222012 its reverse (210222011102), we get a palindrome (411332233114).

The spelling of 201110222012 in words is "two hundred one billion, one hundred ten million, two hundred twenty-two thousand, twelve".