111211022002012 has 12 divisors (see below), whose sum is σ = 196104931928136. Its totient is φ = 55181041451120.

The previous prime is 111211022002001. The next prime is 111211022002019. The reversal of 111211022002012 is 210200220112111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111211022002019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106117386883 + ... + 106117387930.

It is an arithmetic number, because the mean of its divisors is an integer number (16342077660678).

Almost surely, 2^{111211022002012} is an apocalyptic number.

It is an amenable number.

111211022002012 is a deficient number, since it is larger than the sum of its proper divisors (84893909926124).

111211022002012 is a wasteful number, since it uses less digits than its factorization.

111211022002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212234774948 (or 212234774946 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111211022002012 its reverse (210200220112111), we get a palindrome (321411242114123).

The spelling of 111211022002012 in words is "one hundred eleven trillion, two hundred eleven billion, twenty-two million, two thousand, twelve".