201112220111012 has 24 divisors (see below), whose sum is σ = 419712459363456. Its totient is φ = 82443518803008.

The previous prime is 201112220111003. The next prime is 201112220111041. The reversal of 201112220111012 is 210111022211102.

It is a super-2 number, since 2×201112220111012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156143027393 + ... + 156143028680.

It is an arithmetic number, because the mean of its divisors is an integer number (17488019140144).

Almost surely, 2^{201112220111012} is an apocalyptic number.

It is an amenable number.

201112220111012 is an abundant number, since it is smaller than the sum of its proper divisors (218600239252444).

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

201112220111012 is a wasteful number, since it uses less digits than its factorization.

201112220111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312286056107 (or 312286056105 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201112220111012 its reverse (210111022211102), we get a palindrome (411223242322114).

The spelling of 201112220111012 in words is "two hundred one trillion, one hundred twelve billion, two hundred twenty million, one hundred eleven thousand, twelve".