1112120122 has 16 divisors (see below), whose sum is σ = 1772396640. Its totient is φ = 521868528.

The previous prime is 1112120089. The next prime is 1112120129. The reversal of 1112120122 is 2210212111.

It is a super-2 number, since 2×1112120122² = 2473622331514589768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1112120129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132693 + ... + 140824.

It is an arithmetic number, because the mean of its divisors is an integer number (110774790).

Almost surely, 2^1112120122 is an apocalyptic number.

1112120122 is a deficient number, since it is larger than the sum of its proper divisors (660276518).

1112120122 is a wasteful number, since it uses less digits than its factorization.

1112120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273645.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1112120122 is about 33348.4650621284. The cubic root of 1112120122 is about 1036.0575969379.

Adding to 1112120122 its reverse (2210212111), we get a palindrome (3322332233).

The spelling of 1112120122 in words is "one billion, one hundred twelve million, one hundred twenty thousand, one hundred twenty-two".