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BaseRepresentation
bin11001011101111111011010…
…101000010110001011110101
3112200121020212020112121222022
4121131333122220112023311
5104140201310222401401
61034121354013042525
732410415520411563
oct3135773250261365
9480536766477868
10112012120122101
1132766089728111
1210690848486445
134a6690b8379c4
141d935b635aa33
15ce3a5b78c71b
hex65dfdaa162f5

112012120122101 has 4 divisors (see below), whose sum is σ = 112012808096172. Its totient is φ = 112011432148032.

The previous prime is 112012120122059. The next prime is 112012120122139. The reversal of 112012120122101 is 101221021210211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54384739909201 + 57627380212900 = 7374601^2 + 7591270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112012120122101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112012120122101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012120122901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343742756 + ... + 344068461.

It is an arithmetic number, because the mean of its divisors is an integer number (28003202024043).

Almost surely, 2112012120122101 is an apocalyptic number.

It is an amenable number.

112012120122101 is a deficient number, since it is larger than the sum of its proper divisors (687974071).

112012120122101 is an equidigital number, since it uses as much as digits as its factorization.

112012120122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687974070.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112012120122101 its reverse (101221021210211), we get a palindrome (213233141332312).

The spelling of 112012120122101 in words is "one hundred twelve trillion, twelve billion, one hundred twenty million, one hundred twenty-two thousand, one hundred one".

Divisors: 1 162853 687811217 112012120122101