1210111102012 has 24 divisors (see below), whose sum is σ = 2123239953296. Its totient is φ = 603471420288.

The previous prime is 1210111102009. The next prime is 1210111102037. The reversal of 1210111102012 is 2102011110121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1210111101983 and 1210111102001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18901768 + ... + 18965680.

Almost surely, 2^{1210111102012} is an apocalyptic number.

It is an amenable number.

1210111102012 is a deficient number, since it is larger than the sum of its proper divisors (913128851284).

1210111102012 is a wasteful number, since it uses less digits than its factorization.

1210111102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76237 (or 76235 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1210111102012 its reverse (2102011110121), we get a palindrome (3312122212133).

The spelling of 1210111102012 in words is "one trillion, two hundred ten billion, one hundred eleven million, one hundred two thousand, twelve".