111210221210012 has 48 divisors (see below), whose sum is σ = 209457105137280. Its totient is φ = 51473094528000.

The previous prime is 111210221209991. The next prime is 111210221210093. The reversal of 111210221210012 is 210012122012111.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66794189 + ... + 68438907.

It is an arithmetic number, because the mean of its divisors is an integer number (4363689690360).

Almost surely, 2^{111210221210012} is an apocalyptic number.

It is an amenable number.

111210221210012 is a deficient number, since it is larger than the sum of its proper divisors (98246883927268).

111210221210012 is a wasteful number, since it uses less digits than its factorization.

111210221210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661102 (or 1661100 counting only the distinct ones).

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

Adding to 111210221210012 its reverse (210012122012111), we get a palindrome (321222343222123).

The spelling of 111210221210012 in words is "one hundred eleven trillion, two hundred ten billion, two hundred twenty-one million, two hundred ten thousand, twelve".