1120112121 has 16 divisors (see below), whose sum is σ = 1559569536. Its totient is φ = 713746176.

The previous prime is 1120112113. The next prime is 1120112143. The reversal of 1120112121 is 1212110211.

It is not a de Polignac number, because 1120112121 - 2³ = 1120112113 is a prime.

It is a super-2 number, since 2×1120112121² = 2509302327222237282, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1120112097 and 1120112106.

It is not an unprimeable number, because it can be changed into a prime (1120112101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101931 + ... + 112383.

It is an arithmetic number, because the mean of its divisors is an integer number (97473096).

Almost surely, 2^1120112121 is an apocalyptic number.

It is an amenable number.

1120112121 is a deficient number, since it is larger than the sum of its proper divisors (439457415).

1120112121 is a wasteful number, since it uses less digits than its factorization.

1120112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12032.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1120112121 is about 33468.0761472780. The cubic root of 1120112121 is about 1038.5334732396.

Adding to 1120112121 its reverse (1212110211), we get a palindrome (2332222332).

The spelling of 1120112121 in words is "one billion, one hundred twenty million, one hundred twelve thousand, one hundred twenty-one".