1210111120112 has 40 divisors (see below), whose sum is σ = 2395629646080. Its totient is φ = 591981324480.

The previous prime is 1210111120021. The next prime is 1210111120157. The reversal of 1210111120112 is 2110211110121.

It is a congruent number.

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, 2838488 + ... + 3236855.

It is an arithmetic number, because the mean of its divisors is an integer number (59890741152).

Almost surely, 2^{1210111120112} is an apocalyptic number.

It is an amenable number.

1210111120112 is a deficient number, since it is larger than the sum of its proper divisors (1185518525968).

1210111120112 is a wasteful number, since it uses less digits than its factorization.

1210111120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6075621 (or 6075615 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1210111120112 its reverse (2110211110121), we get a palindrome (3320322230233).

Subtracting 1210111120112 from its reverse (2110211110121), we obtain a palindrome (900099990009).

The spelling of 1210111120112 in words is "one trillion, two hundred ten billion, one hundred eleven million, one hundred twenty thousand, one hundred twelve".