1120112221122 has 48 divisors (see below), whose sum is σ = 2442761335872. Its totient is φ = 370932812640.

The previous prime is 1120112221097. The next prime is 1120112221139. The reversal of 1120112221122 is 2211222110211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1120112221095 and 1120112221104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19660297 + ... + 19717187.

It is an arithmetic number, because the mean of its divisors is an integer number (50890861164).

Almost surely, 2^{1120112221122} is an apocalyptic number.

1120112221122 is an abundant number, since it is smaller than the sum of its proper divisors (1322649114750).

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

1120112221122 is a wasteful number, since it uses less digits than its factorization.

1120112221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64023 (or 64020 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1120112221122 its reverse (2211222110211), we get a palindrome (3331334331333).

The spelling of 1120112221122 in words is "one trillion, one hundred twenty billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twenty-two".