112133021 has 36 divisors (see below), whose sum is σ = 154211904. Its totient is φ = 80589600.

The previous prime is 112132997. The next prime is 112133029. The reversal of 112133021 is 120331211.

It is not a de Polignac number, because 112133021 - 2⁶ = 112132957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112132987 and 112133005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112133029) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 90476 + ... + 91706.

It is an arithmetic number, because the mean of its divisors is an integer number (4283664).

Almost surely, 2^112133021 is an apocalyptic number.

112133021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112133021 is a deficient number, since it is larger than the sum of its proper divisors (42078883).

112133021 is a wasteful number, since it uses less digits than its factorization.

112133021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 1262 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 112133021 is about 10589.2880308357. The cubic root of 112133021 is about 482.2192103909.

Adding to 112133021 its reverse (120331211), we get a palindrome (232464232).

The spelling of 112133021 in words is "one hundred twelve million, one hundred thirty-three thousand, twenty-one".