112101989 has 8 divisors (see below), whose sum is σ = 115729152. Its totient is φ = 108521280.

The previous prime is 112101959. The next prime is 112101991. The reversal of 112101989 is 989101211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112101989 - 2¹² = 112097893 is a prime.

It is a super-2 number, since 2×112101989² = 25133711875512242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112101959) 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, 6677 + ... + 16394.

It is an arithmetic number, because the mean of its divisors is an integer number (14466144).

Almost surely, 2^112101989 is an apocalyptic number.

It is an amenable number.

112101989 is a deficient number, since it is larger than the sum of its proper divisors (3627163).

112101989 is a wasteful number, since it uses less digits than its factorization.

112101989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23227.

The product of its (nonzero) digits is 1296, while the sum is 32.

The square root of 112101989 is about 10587.8226751301. The cubic root of 112101989 is about 482.1747227308.

The spelling of 112101989 in words is "one hundred twelve million, one hundred one thousand, nine hundred eighty-nine".