1220110120112 has 80 divisors (see below), whose sum is σ = 2702907752832. Its totient is φ = 528557875200.

The previous prime is 1220110120091. The next prime is 1220110120153. The reversal of 1220110120112 is 2110210110221.

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, 827612 + ... + 1767812.

Almost surely, 2^{1220110120112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220110120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1351453876416).

1220110120112 is an abundant number, since it is smaller than the sum of its proper divisors (1482797632720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220110120112 is a wasteful number, since it uses less digits than its factorization.

1220110120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940606 (or 940600 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1220110120112 its reverse (2110210110221), we get a palindrome (3330320230333).

The spelling of 1220110120112 in words is "one trillion, two hundred twenty billion, one hundred ten million, one hundred twenty thousand, one hundred twelve".