201111212011012 has 12 divisors (see below), whose sum is σ = 352181940396496. Its totient is φ = 100487800469160.

The previous prime is 201111212010991. The next prime is 201111212011037. The reversal of 201111212011012 is 210110212111102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16951377414 + ... + 16951389277.

Almost surely, 2^{201111212011012} is an apocalyptic number.

It is an amenable number.

201111212011012 is a deficient number, since it is larger than the sum of its proper divisors (151070728385484).

201111212011012 is a wasteful number, since it uses less digits than its factorization.

201111212011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33902768178 (or 33902768176 counting only the distinct ones).

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

Adding to 201111212011012 its reverse (210110212111102), we get a palindrome (411221424122114).

The spelling of 201111212011012 in words is "two hundred one trillion, one hundred eleven billion, two hundred twelve million, eleven thousand, twelve".